{"id":163511,"date":"2025-06-22T14:53:26","date_gmt":"2025-06-22T07:53:26","guid":{"rendered":"https:\/\/www.docosan.com\/blog\/?p=163511"},"modified":"2026-02-28T19:05:00","modified_gmt":"2026-02-28T12:05:00","slug":"dien-tam-do-binh-thuong","status":"publish","type":"post","link":"https:\/\/www.docosan.com\/blog\/kien-thuc-y-te\/dien-tam-do-binh-thuong\/","title":{"rendered":"\u0110i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng &#8211; Gi\u1ea3i th\u00edch chi ti\u1ebft c\u00e1c ch\u1ec9 s\u1ed1"},"content":{"rendered":"<p><em><strong>\u0110i\u1ec7n t\u00e2m \u0111\u1ed3 (ECG<\/strong>) l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ghi l\u1ea1i ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec7n c\u1ee7a tim, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00e1 ph\u1ed5 bi\u1ebfn t\u1ea1i c\u00e1c b\u1ec7nh vi\u1ec7n, ph\u00f2ng kh\u00e1m \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n v\u00e0 theo d\u00f5i b\u1ec7nh l\u00fd tim m\u1ea1ch. C\u00e1c ch\u1ec9 s\u1ed1 \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng s\u1ebd \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi b\u00e1c s\u0129 c\u00f3 chuy\u00ean m\u00f4n, tuy nhi\u00ean b\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p nh\u1eefng th\u00f4ng tin s\u01a1 l\u01b0\u1ee3c nh\u1eb1m gi\u00fap ng\u01b0\u1eddi \u0111\u1ecdc c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 lo\u1ea1i x\u00e9t nghi\u1ec7m quan tr\u1ecdng n\u00e0y. C\u00f9ng <a href=\"https:\/\/www.docosan.com\/\">Docosan<\/a> t\u00ecm hi\u1ec3u chi ti\u1ebft trong b\u00e0i vi\u1ebft sau!<\/em><\/p>\r\n<h2>\u0110i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng l\u00e0 g\u00ec?<\/h2>\r\n<figure id=\"attachment_164435\" aria-describedby=\"caption-attachment-164435\" style=\"width: 800px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-164435\" src=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-1.jpg\" alt=\"\u0110i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng l\u00e0 khi h\u00ecnh \u1ea3nh \u0111i\u1ec7n tim kh\u00f4ng ghi nh\u1eadn b\u1ea5t th\u01b0\u1eddng v\u1ec1 nh\u1ecbp \u0111i\u1ec7u, t\u1ed1c \u0111\u1ed9 hay tr\u1ee5c \u0111i\u1ec7n tim\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-1.jpg 800w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-1-300x169.jpg 300w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-1-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-164435\" class=\"wp-caption-text\">\u0110i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng l\u00e0 khi h\u00ecnh \u1ea3nh \u0111i\u1ec7n tim kh\u00f4ng ghi nh\u1eadn b\u1ea5t th\u01b0\u1eddng v\u1ec1 nh\u1ecbp \u0111i\u1ec7u, t\u1ed1c \u0111\u1ed9 hay tr\u1ee5c \u0111i\u1ec7n tim<\/figcaption><\/figure>\r\n<p><a href=\"https:\/\/www.docosan.com\/blog\/xet-nghiem\/dien-tam-do-la-gi\/\">\u0110i\u1ec7n t\u00e2m \u0111\u1ed3<\/a> b\u00ecnh th\u01b0\u1eddng l\u00e0 khi h\u00ecnh \u1ea3nh \u0111i\u1ec7n tim kh\u00f4ng ghi nh\u1eadn b\u1ea5t th\u01b0\u1eddng v\u1ec1 nh\u1ecbp \u0111i\u1ec7u, t\u1ed1c \u0111\u1ed9 hay tr\u1ee5c \u0111i\u1ec7n tim. \u0110\u1ed3ng th\u1eddi, h\u00ecnh th\u00e1i v\u00e0 kho\u1ea3ng th\u1eddi gian gi\u1eefa c\u00e1c s\u00f3ng c\u0169ng n\u1eb1m trong gi\u1edbi h\u1ea1n b\u00ecnh th\u01b0\u1eddng. M\u1eb7c d\u00f9 \u0111\u00e2y l\u00e0 m\u1ed9t x\u00e9t nghi\u1ec7m c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng trong ch\u1ea9n \u0111o\u00e1n <a href=\"https:\/\/www.docosan.com\/blog\/tim-mach\/benh-tim-mach\/\">b\u1ec7nh tim m\u1ea1ch<\/a>, nh\u01b0ng vi\u1ec7c \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng c\u0169ng kh\u00f4ng lo\u1ea1i tr\u1eeb ho\u00e0n to\u00e0n kh\u1ea3 n\u0103ng c\u00f3 b\u1ec7nh tim. B\u1ea1n c\u1ea7n hi\u1ec3u r\u1eb1ng vi\u1ec7c x\u00e9t nghi\u1ec7m \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 ch\u1ec9 gi\u00fap m\u00f4 t\u1ea3 ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec7n tim ngay t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111o, do \u0111\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u01b0a bao qu\u00e1t \u0111\u01b0\u1ee3c h\u1ebft nh\u1eefng t\u00ecnh tr\u1ea1ng b\u1ea5t th\u01b0\u1eddng x\u1ea3y ra v\u00e0o l\u00fac kh\u00e1c. Ch\u00ednh v\u00ec th\u1ebf, n\u1ebfu b\u1ea1n t\u1eebng c\u00f3 tri\u1ec7u ch\u1ee9ng nghi ng\u1edd nh\u01b0 <a href=\"https:\/\/www.docosan.com\/blog\/tim-mach\/dau-that-nguc-dau-hieu-canh-bao-benh-mach-vanh-khong-nen-bo-qua\/\">\u0111au th\u1eaft ng\u1ef1c<\/a>, h\u1ed3i h\u1ed9p, kh\u00f3 th\u1edf ho\u1eb7c ch\u1ec9 \u0111\u01a1n gi\u1ea3n mu\u1ed1n ki\u1ec3m tra s\u1ee9c kh\u1ecfe tim m\u1ea1ch \u0111\u1ecbnh k\u1ef3, h\u00e3y \u0111\u1ebfn <a href=\"https:\/\/www.docosan.com\/phong-kham\/phong-kham-thuan-my-sai-gon-1638\">Ph\u00f2ng kh\u00e1m Thu\u1eadn M\u1ef9 S\u00e0i G\u00f2n<\/a> \u0111\u1ec3 \u0111\u01b0\u1ee3c \u0111o \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 v\u00e0 t\u01b0 v\u1ea5n k\u1ef9 h\u01a1n b\u1edfi b\u00e1c s\u0129 chuy\u00ean khoa. Vi\u1ec7c theo d\u00f5i \u0111\u1ecbnh k\u1ef3 gi\u00fap ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c r\u1ed1i lo\u1ea1n tim ti\u1ec1m \u1ea9n \u2013 ngay c\u1ea3 khi \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 hi\u1ec7n t\u1ea1i v\u1eabn n\u1eb1m trong gi\u1edbi h\u1ea1n b\u00ecnh th\u01b0\u1eddng.<\/p>\r\n<h2>\u00dd ngh\u0129a c\u1ee7a \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng<\/h2>\r\n<p>K\u1ebft qu\u1ea3 \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng th\u01b0\u1eddng cho th\u1ea5y tim kh\u00f4ng c\u00f3 c\u00e1c <a href=\"https:\/\/www.docosan.com\/blog\/tim-mach\/roi-loan-nhip-tim-la-benh-gi\/\">r\u1ed1i lo\u1ea1n nh\u1ecbp tim<\/a>, thi\u1ebfu m\u00e1u c\u01a1 tim c\u1ea5p t\u00ednh, ho\u1eb7c c\u00e1c b\u1ea5t th\u01b0\u1eddng v\u1ec1 c\u1ea5u tr\u00fac v\u00e0 ch\u1ee9c n\u0103ng tim c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c b\u1eb1ng \u0111i\u1ec7n tim t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111o. Tuy nhi\u00ean, nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp, c\u00e1c b\u1ea5t th\u01b0\u1eddng tho\u00e1ng qua ho\u1eb7c kh\u00f4ng li\u00ean t\u1ee5c c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n tr\u00ean ECG th\u00f4ng th\u01b0\u1eddng. M\u1eb7c d\u00f9 k\u1ebft qu\u1ea3 \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng tuy nhi\u00ean \u0111\u1eebng qu\u00ean th\u0103m kh\u00e1m s\u1ee9c kho\u1ebb tim m\u1ea1ch \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 theo d\u00f5i t\u00ecnh tr\u1ea1ng l\u00e2u d\u00e0i, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng ng\u01b0\u1eddi c\u00f3 y\u1ebfu t\u1ed1 nguy c\u01a1 tim m\u1ea1ch cao. T\u1ea1i <a href=\"https:\/\/www.docosan.com\/phong-kham\/phong-kham-thuan-my-sai-gon-1638\">Ph\u00f2ng Kh\u00e1m Thu\u1eadn M\u1ef9 S\u00e0i G\u00f2n<\/a>, \u0111\u1ed9i ng\u0169 b\u00e1c s\u0129 gi\u00e0u kinh nghi\u1ec7m s\u1ebd ph\u00e2n t\u00edch k\u1ebft qu\u1ea3, \u00fd ngh\u0129a \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 \u0111\u01b0a ra l\u1eddi khuy\u00ean ph\u00f9 h\u1ee3p c\u0169ng nh\u01b0 h\u01b0\u1edbng d\u1eabn l\u1ed1i s\u1ed1ng, dinh d\u01b0\u1ee1ng gi\u00fap b\u1ea1n v\u00e0 ng\u01b0\u1eddi th\u00e2n c\u00f3 th\u1ec3 duy tr\u00ec s\u1ee9c kh\u1ecfe tim m\u1ea1ch.<\/p>\r\n\r\n<p><iframe style=\"height: 330px;\" src=\"https:\/\/www.docosan.com\/widget\/clinic-info\/1638?book=1&amp;utm_source=embed-widget\" width=\"100%\" frameborder=\"0\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\"><\/span><\/iframe><\/p>\r\n<h2>Ph\u00e2n t\u00edch chi ti\u1ebft c\u00e1c ch\u1ec9 s\u1ed1 v\u00e0 c\u00e1ch \u0111\u1ecdc \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng<\/h2>\r\n<p>C\u00e1c th\u00f4ng tin m\u00e0 \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 cung c\u1ea5p t\u01b0\u01a1ng \u0111\u1ed1i \u0111a d\u1ea1ng v\u00e0 kh\u00f3 ti\u1ebfp c\u1eadn v\u1edbi ph\u1ea7n \u0111\u00f4ng b\u1ec7nh nh\u00e2n. Sau \u0111\u00e2y l\u00e0 \u0111i\u1ec3m qua nh\u1eefng th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u1ea5t c\u1ee7a m\u1ed9t \u0111i\u1ec7n t\u00e2m \u0111\u1ed3:<\/p>\r\n<h3>Nh\u1ecbp tim v\u00e0 T\u1ea7n s\u1ed1<\/h3>\r\n<figure id=\"attachment_164436\" aria-describedby=\"caption-attachment-164436\" style=\"width: 800px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-164436\" src=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-5.jpg\" alt=\"Nh\u1ecbp tim l\u00e0 c\u00e1ch tim \u0111\u1eadp\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-5.jpg 800w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-5-300x169.jpg 300w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-5-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-164436\" class=\"wp-caption-text\">Nh\u1ecbp tim l\u00e0 c\u00e1ch tim \u0111\u1eadp<\/figcaption><\/figure>\r\n<p>Tim \u0111\u1eadp theo m\u1ed9t nh\u1ecbp \u0111\u1ec1u \u0111\u1eb7n \u2013 m\u1ed7i nh\u1ecbp b\u1eaft \u0111\u1ea7u t\u1eeb m\u1ed9t t\u00edn hi\u1ec7u \u0111i\u1ec7n do c\u01a1 th\u1ec3 t\u1ea1o ra t\u1ea1i m\u1ed9t &#8220;trung t\u00e2m \u0111i\u1ec1u khi\u1ec3n&#8221; t\u1ef1 nhi\u00ean g\u1ecdi l\u00e0 n\u00fat xoang. N\u1ebfu t\u00edn hi\u1ec7u b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2y v\u00e0 lan \u0111i \u0111\u00fang c\u00e1ch, \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 s\u1ebd ghi nh\u1eadn nh\u1ecbp tim v\u00e0 t\u1ea7n s\u1ed1 tim b\u00ecnh th\u01b0\u1eddng. Trong \u0111\u00f3, nh\u1ecbp tim l\u00e0 c\u00e1ch tim \u0111\u1eadp &#8211; \u0111\u1ec1u hay kh\u00f4ng \u0111\u1ec1u, c\u00f3 ph\u1ea3i nh\u1ecbp xoang hay kh\u00f4ng? C\u00f2n t\u1ea7n s\u1ed1 tim l\u00e0 con s\u1ed1 cho bi\u1ebft tim \u0111\u1eadp bao nhi\u00eau l\u1ea7n m\u1ed7i ph\u00fat, nhanh hay ch\u1eadm. M\u1ed9t nh\u1ecbp tim b\u00ecnh th\u01b0\u1eddng \u0111\u01b0\u1ee3c ghi nh\u1eadn khi c\u00e1c chu\u1ed7i t\u00edn hi\u1ec7u \u0111i\u1ec7n l\u1eb7p l\u1ea1i \u0111\u1ec1u \u0111\u1eb7n, \u0111\u1ea7y \u0111\u1ee7 v\u00e0 r\u00f5 r\u00e0ng tr\u00ean h\u00ecnh \u1ea3nh \u0111i\u1ec7n t\u00e2m \u0111\u1ed3, gi\u1ed1ng nh\u01b0 c\u00e1c b\u01b0\u1edbc c\u1ee7a m\u1ed9t \u0111i\u1ec7u nh\u1ea3y chu\u1ea9n. T\u1ea7n s\u1ed1 tim th\u00ec \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean kho\u1ea3ng c\u00e1ch (s\u1ed1 \u00f4 vu\u00f4ng) gi\u1eefa c\u00e1c s\u00f3ng (s\u00f3ng R), c\u00f4ng th\u1ee9c t\u00ednh l\u00e0: <strong>T\u1ea7n s\u1ed1 tim = 300 \/ s\u1ed1 \u00f4 l\u1edbn gi\u1eefa hai nh\u1ecbp tim li\u00ean ti\u1ebfp.<\/strong><\/p>\r\n<ul>\r\n<li><strong>Nh\u1ecbp tim b\u00ecnh th\u01b0\u1eddng:<\/strong> dao \u0111\u1ed9ng t\u1eeb 60 &#8211; 100 l\u1ea7n\/ph\u00fat khi ngh\u1ec9 ng\u01a1i.<\/li>\r\n<li><strong>N\u1ebfu nh\u1ecbp tim &lt; 60 l\u1ea7n\/ph\u00fat:<\/strong> g\u1ecdi l\u00e0 nh\u1ecbp ch\u1eadm (th\u01b0\u1eddng g\u1eb7p \u1edf v\u1eadn \u0111\u1ed9ng vi\u00ean ho\u1eb7c khi c\u01a1 th\u1ec3 th\u01b0 gi\u00e3n s\u00e2u).<\/li>\r\n<li><strong>N\u1ebfu nh\u1ecbp tim tr\u00ean 100 l\u1ea7n\/ph\u00fat:<\/strong> g\u1ecdi l\u00e0 nh\u1ecbp nhanh (c\u00f3 th\u1ec3 do lo l\u1eafng, s\u1ed1t, b\u1ec7nh tim,&#8230;).<\/li>\r\n<\/ul>\r\n<h3>Tr\u1ee5c \u0111i\u1ec7n tim<\/h3>\r\n<figure id=\"attachment_164446\" aria-describedby=\"caption-attachment-164446\" style=\"width: 800px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-164446\" src=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-11.jpg\" alt=\"\u0110\u1ecbnh ngh\u0129a tr\u1ee5c \u0111i\u1ec7n tim l\u00e0 h\u01b0\u1edbng ch\u00ednh c\u1ee7a ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec7n t\u1ed5ng th\u1ec3 c\u1ee7a tim\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-11.jpg 800w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-11-300x169.jpg 300w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-11-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-164446\" class=\"wp-caption-text\">\u0110\u1ecbnh ngh\u0129a tr\u1ee5c \u0111i\u1ec7n tim l\u00e0 h\u01b0\u1edbng ch\u00ednh c\u1ee7a ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec7n t\u1ed5ng th\u1ec3 c\u1ee7a tim<\/figcaption><\/figure>\r\n<p>\u0110\u1ecbnh ngh\u0129a tr\u1ee5c \u0111i\u1ec7n tim l\u00e0 h\u01b0\u1edbng ch\u00ednh c\u1ee7a ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec7n t\u1ed5ng th\u1ec3 c\u1ee7a tim. Tr\u1ee5c \u0111i\u1ec7n tim c\u00f3 th\u1ec3 l\u1ec7ch sang tr\u00e1i, sang ph\u1ea3i, v\u00f4 \u0111\u1ecbnh ho\u1eb7c duy tr\u00ec theo tr\u1ee5c b\u00ecnh th\u01b0\u1eddng. Trong \u0111\u00f3, ph\u1ea7n tr\u1ee5c ph\u1ee9c b\u1ed9 QRS lu\u00f4n gi\u1eef vai tr\u00f2 quan tr\u1ecdng nh\u1ea5t. Mu\u1ed1n x\u00e1c \u0111\u1ecbnh tr\u1ee5c ph\u1ee9c b\u1ed9 QRS, b\u00e1c s\u0129 s\u1ebd d\u1ef1a v\u00e0o c\u00e1c chuy\u1ec3n \u0111\u1ea1o chi. \u0110\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c t\u00ednh to\u00e1n, ng\u01b0\u1eddi ta th\u01b0\u1eddng \u0111o bi\u00ean \u0111\u1ed9 t\u1ea1i hai chuy\u1ec3n \u0111\u1ea1o vu\u00f4ng g\u00f3c nhau l\u00e0 DI v\u00e0 aVF \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh tr\u1ee5c v\u00e0 g\u00f3c \u03b1 c\u1ee7a tr\u1ee5c \u0111i\u1ec7n tim. D\u1ef1a v\u00e0o tr\u1ee5c \u0111i\u1ec7n tim, b\u00e1c s\u0129 c\u00f3 th\u1ec3 ki\u1ec3m tra t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng, b\u1ec7nh l\u00fd v\u1ec1 tim. Ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u1ee5c \u0111i\u1ec7n tim l\u1ec7ch tr\u00e1i, l\u1ec7ch ph\u1ea3i ho\u1eb7c v\u00f4 \u0111\u1ecbnh \u0111\u1ec1u ph\u1ea3n \u00e1nh b\u1ea5t th\u01b0\u1eddng n\u00e0o \u0111\u00f3 v\u1ec1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a tim. Tr\u1ee5c \u0111i\u1ec7n tim \u0111\u01b0\u1ee3c xem l\u00e0 b\u00ecnh th\u01b0\u1eddng khi n\u1eb1m trong ph\u1ea1m vi -30 \u0111\u1ed9 \u0111\u1ebfn +90 \u0111\u1ed9. Tr\u01b0\u1eddng h\u1ee3p l\u1ec7ch chuy\u1ec3n sang ph\u1ea1m vi t\u1eeb -30 \u0111\u1ed9 \u0111\u1ebfn -90 \u0111\u1ed9 c\u00f3 ngh\u0129a tr\u1ee5c \u0111ang b\u1ecb l\u1ec7ch v\u1ec1 b\u00ean tr\u00e1i. C\u00f2n n\u1ebfu n\u1eb1m trong ph\u1ea1m vi t\u1eeb +90 \u0111\u1ed9 \u0111\u1ebfn +180 \u0111\u1ed9 th\u00ec \u0111\u00e2y ch\u00ednh l\u00e0 tr\u1ee5c l\u1ec7ch ph\u1ea3i.<\/p>\r\n<h3>S\u00f3ng P<\/h3>\r\n<figure id=\"attachment_164439\" aria-describedby=\"caption-attachment-164439\" style=\"width: 800px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-164439\" src=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-7.jpg\" alt=\"S\u00f3ng P l\u00e0 s\u00f3ng \u0111\u1ea7u ti\u00ean tr\u00ean \u0111i\u1ec7n t\u00e2m \u0111\u1ed3\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-7.jpg 800w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-7-300x169.jpg 300w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-7-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-164439\" class=\"wp-caption-text\">S\u00f3ng P l\u00e0 s\u00f3ng \u0111\u1ea7u ti\u00ean tr\u00ean \u0111i\u1ec7n t\u00e2m \u0111\u1ed3<\/figcaption><\/figure>\r\n<p dir=\"ltr\">S\u00f3ng P l\u00e0 s\u00f3ng \u0111\u1ea7u ti\u00ean tr\u00ean \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 (ECG), bi\u1ec3u th\u1ecb s\u1ef1 lan truy\u1ec1n xung \u0111\u1ed9ng \u0111i\u1ec7n qua nh\u0129, bao g\u1ed3m qu\u00e1 tr\u00ecnh kh\u1eed c\u1ef1c v\u00e0 t\u00e1i c\u1ef1c c\u1ee7a nh\u0129. S\u00f3ng P gi\u00fap x\u00e1c \u0111\u1ecbnh xem nh\u1ecbp tim c\u00f3 xu\u1ea5t ph\u00e1t t\u1eeb n\u00fat xoang (nh\u1ecbp xoang) hay kh\u00f4ng.<\/p>\r\n<p dir=\"ltr\">\u1ede t\u00ecnh tr\u1ea1ng b\u00ecnh th\u01b0\u1eddng:<\/p>\r\n<ul>\r\n<li dir=\"ltr\">S\u00f3ng P c\u00f3 h\u00ecnh d\u1ea1ng v\u00f2m m\u01b0\u1ee3t m\u00e0 (smooth), kh\u00f4ng nh\u1ecdn v\u00e0 kh\u00f4ng c\u00f3 kh\u1ea5c (notch).<\/li>\r\n<li dir=\"ltr\">S\u00f3ng P d\u01b0\u01a1ng (+) \u1edf c\u00e1c chuy\u1ec3n \u0111\u1ea1o DI, DII, V4-V6 v\u00e0 aVF.<\/li>\r\n<li dir=\"ltr\">S\u00f3ng P \u00e2m (-) \u1edf aVR.<\/li>\r\n<li dir=\"ltr\">S\u00f3ng P c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u1edf DIII, aVL v\u00e0 c\u00e1c chuy\u1ec3n \u0111\u1ea1o tr\u01b0\u1edbc tim kh\u00e1c.<\/li>\r\n<li dir=\"ltr\">Tr\u1ee5c s\u00f3ng P n\u1eb1m trong kho\u1ea3ng t\u1eeb 0 \u0111\u1ebfn +75\u00ba.<\/li>\r\n<li dir=\"ltr\">Th\u1eddi gian s\u00f3ng P l\u00e0 t\u1eeb 0,06 \u0111\u1ebfn 0,12 gi\u00e2y (d\u01b0\u1edbi 3 \u00f4 nh\u1ecf).<\/li>\r\n<li dir=\"ltr\">Bi\u00ean \u0111\u1ed9 s\u00f3ng P l\u00e0 t\u1eeb 0,05 \u0111\u1ebfn 0,25 mV (d\u01b0\u1edbi 2,5 \u00f4 nh\u1ecf).<\/li>\r\n<\/ul>\r\n<h3>Kho\u1ea3ng PR (hay PQ)<\/h3>\r\n<p>Kho\u1ea3ng PR\/PQ \u0111\u01b0\u1ee3c \u0111o t\u1eeb th\u1eddi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u s\u00f3ng P \u0111\u1ebfn \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u c\u1ee7a ph\u1ee9c b\u1ed9 QRS. \u0110\u00e2y l\u00e0 kho\u1ea3ng th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 xung \u0111\u1ed9ng truy\u1ec1n t\u1eeb nh\u0129 qua n\u00fat nh\u0129 &#8211; th\u1ea5t \u0111\u1ebfn c\u00e1c s\u1ee3i c\u01a1 t\u00e2m th\u1ea5t (m\u1ea1ng l\u01b0\u1edbi Purkinje). Ph\u1ea7n l\u1edbn th\u1eddi gian c\u1ee7a kho\u1ea3ng PR ph\u1ea3n \u00e1nh hi\u1ec7n t\u01b0\u1ee3ng d\u1eabn truy\u1ec1n ch\u1eadm qua n\u00fat nh\u0129 &#8211; th\u1ea5t. \u1ede t\u00ecnh tr\u1ea1ng b\u00ecnh th\u01b0\u1eddng b\u00ecnh th\u01b0\u1eddng Th\u1eddi gian kho\u1ea3ng PR\/PQ dao \u0111\u1ed9ng t\u1eeb 0,12 \u0111\u1ebfn 0,20 gi\u00e2y (kho\u1ea3ng 3 &#8211; 5 \u00f4 nh\u1ecf \u1edf t\u1ed1c \u0111\u1ed9 25 mm\/s) v\u00e0 th\u01b0\u1eddng l\u00e0 kh\u00f4ng thay \u0111\u1ed5i.<\/p>\r\n<h3>Ph\u1ee9c b\u1ed9 QRS<\/h3>\r\n<figure id=\"attachment_164440\" aria-describedby=\"caption-attachment-164440\" style=\"width: 800px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-164440\" src=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-8.jpg\" alt=\"Ph\u1ee9c b\u1ed9 QRS l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u1ea5t c\u1ee7a \u0111i\u1ec7n t\u00e2m \u0111\u1ed3\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-8.jpg 800w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-8-300x169.jpg 300w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-8-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-164440\" class=\"wp-caption-text\">Ph\u1ee9c b\u1ed9 QRS l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u1ea5t c\u1ee7a \u0111i\u1ec7n t\u00e2m \u0111\u1ed3<\/figcaption><\/figure>\r\n<p>Ph\u1ee9c b\u1ed9 QRS l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u1ea5t c\u1ee7a \u0111i\u1ec7n t\u00e2m \u0111\u1ed3, th\u1ec3 hi\u1ec7n s\u1ef1 lan truy\u1ec1n xung \u0111\u1ed9ng qua c\u01a1 th\u1ea5t (kh\u1eed c\u1ef1c v\u00e0 co b\u00f3p th\u1ea5t). M\u1eb7c d\u00f9 h\u00ecnh d\u1ea1ng c\u1ee7a s\u00f3ng QRS c\u00f3 th\u1ec3 kh\u00e1c nhau gi\u1eefa c\u00e1c chuy\u1ec3n \u0111\u1ea1o, th\u1eddi gian c\u1ee7a ph\u1ee9c b\u1ed9 QRS l\u00e0 \u0111\u1ed3ng nh\u1ea5t. \u1ede tr\u1ea1ng th\u00e1i b\u00ecnh th\u01b0\u1eddng:<\/p>\r\n<ul>\r\n<li><strong>Th\u1eddi gian:<\/strong> Th\u1eddi gian b\u00ecnh th\u01b0\u1eddng c\u1ee7a ph\u1ee9c b\u1ed9 QRS t\u1eeb 0,05 \u0111\u1ebfn 0,10 gi\u00e2y.<\/li>\r\n<li><strong>Bi\u00ean \u0111\u1ed9:<\/strong> Bi\u00ean \u0111\u1ed9 QRS \u0111\u01b0\u1ee3c t\u00ednh t\u1eeb \u0111\u1ec9nh s\u00f3ng d\u01b0\u01a1ng cao nh\u1ea5t \u0111\u1ebfn \u0111\u00e1y s\u00f3ng \u00e2m. \u0110i\u1ec7n th\u1ebf QRS \u0111\u01b0\u1ee3c coi l\u00e0 th\u1ea5p b\u1ea5t th\u01b0\u1eddng n\u1ebfu t\u1ed5ng bi\u00ean \u0111\u1ed9 nh\u1ecf h\u01a1n 5mm \u1edf c\u00e1c chuy\u1ec3n \u0111\u1ea1o chi v\u00e0 nh\u1ecf h\u01a1n 10mm \u1edf c\u00e1c chuy\u1ec3n \u0111\u1ea1o tr\u01b0\u1edbc tim (hay nh\u1ecf h\u01a1n 5mm \u1edf V1-V6, nh\u1ecf h\u01a1n 7mm \u1edf V2-V5 v\u00e0 nh\u1ecf h\u01a1n 9 mm \u1edf V3-V4).<\/li>\r\n<li><strong>S\u00f3ng Q:<\/strong> Th\u1eddi gian s\u00f3ng Q b\u00ecnh th\u01b0\u1eddng nh\u1ecf h\u01a1n 0,03 gi\u00e2y. S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a s\u00f3ng q \u1edf V5-V6 l\u00e0 b\u00ecnh th\u01b0\u1eddng; n\u1ebfu s\u00f3ng q bi\u1ebfn m\u1ea5t \u1edf V5-V6 th\u00ec \u0111\u01b0\u1ee3c xem l\u00e0 b\u1ea5t th\u01b0\u1eddng. S\u00f3ng Q c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n \u1edf aVR v\u00e0 DIII.<\/li>\r\n<li><strong>S\u00f3ng R:<\/strong> S\u00f3ng R b\u00ecnh th\u01b0\u1eddng t\u0103ng d\u1ea7n bi\u00ean \u0111\u1ed9 t\u1eeb V1 \u0111\u1ebfn V4 ho\u1eb7c V5. S\u1ef1 m\u1ea5t \u0111i c\u1ee7a xu h\u01b0\u1edbng n\u00e0y c\u00f3 th\u1ec3 ch\u1ec9 ra b\u1ea5t th\u01b0\u1eddng.<\/li>\r\n<\/ul>\r\n<h3>\u0110o\u1ea1n ST<\/h3>\r\n<p>\u0110o\u1ea1n ST l\u00e0 bi\u1ec3u hi\u1ec7n k\u1ebft th\u00fac c\u1ee7a qu\u00e1 tr\u00ecnh kh\u1eed c\u1ef1c \u0111\u1ebfn b\u1eaft \u0111\u1ea7u c\u1ee7a qu\u00e1 tr\u00ecnh t\u00e1i c\u1ef1c. \u0110o\u1ea1n ST b\u00ecnh th\u01b0\u1eddng khi 75% \u0111o\u1ea1n ST n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng \u0111\u1eb3ng \u0111i\u1ec7n, n\u1ebfu ch\u00eanh l\u00ean th\u00ec kh\u00f4ng qu\u00e1 0.1 mV v\u00e0 ch\u00eanh xu\u1ed1ng kh\u00f4ng qu\u00e1 0.05 mV.<\/p>\r\n<h3>S\u00f3ng T<\/h3>\r\n<p>S\u00f3ng T bi\u1ec3u th\u1ecb qu\u00e1 tr\u00ecnh t\u00e1i c\u1ef1c c\u1ee7a t\u00e2m th\u1ea5t. \u1ede tr\u1ea1ng th\u00e1i b\u00ecnh th\u01b0\u1eddng c\u00f3 d\u1ea1ng tr\u01a1n tru v\u00e0 tr\u00f2n, tr\u00e1i ng\u01b0\u1ee3c v\u1edbi s\u00f3ng \u0111\u1ea3o ng\u01b0\u1ee3c ho\u1eb7c cao b\u1ea5t th\u01b0\u1eddng, c\u00f3 th\u1ec3 ch\u1ec9 ra c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n.<\/p>\r\n<h3>Kho\u1ea3ng QT<\/h3>\r\n<figure id=\"attachment_164445\" aria-describedby=\"caption-attachment-164445\" style=\"width: 800px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-164445\" src=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-12.jpg\" alt=\"Th\u00f4ng th\u01b0\u1eddng ph\u1ee5 n\u1eef c\u00f3 c\u00f3 kho\u1ea3ng th\u1eddi gian QT d\u00e0i h\u01a1n nam gi\u1edbi\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-12.jpg 800w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-12-300x169.jpg 300w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-12-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-164445\" class=\"wp-caption-text\">Th\u00f4ng th\u01b0\u1eddng ph\u1ee5 n\u1eef c\u00f3 c\u00f3 kho\u1ea3ng th\u1eddi gian QT d\u00e0i h\u01a1n nam gi\u1edbi<\/figcaption><\/figure>\r\n<p>\u0110o\u1ea1n QT l\u00e0 th\u1eddi gian t\u1eeb khi b\u1eaft \u0111\u1ea7u kh\u1eed c\u1ef1c th\u1ea5t \u0111\u1ebfn khi k\u1ebft th\u00fac t\u00e1i c\u1ef1c th\u1ea5t. Kho\u1ea3ng QT b\u00ecnh th\u01b0\u1eddng l\u00e0 t\u1eeb 400 \u0111\u1ebfn 440 ms. Ph\u1ee5 n\u1eef c\u00f3 c\u00f3 kho\u1ea3ng th\u1eddi gian QT d\u00e0i h\u01a1n nam gi\u1edbi.<\/p>\r\n<h2>Nh\u1ecbp xoang b\u00ecnh th\u01b0\u1eddng<\/h2>\r\n<p>Nh\u1ecbp xoang l\u00e0 nh\u1ecbp \u0111\u1eadp b\u00ecnh th\u01b0\u1eddng c\u1ee7a tim, b\u1eaft ngu\u1ed3n t\u1eeb n\u00fat xoang nh\u0129 (SA node) n\u1eb1m \u1edf nh\u0129 ph\u1ea3i, g\u1ea7n ch\u1ed7 ti\u1ebfp gi\u00e1p v\u1edbi t\u0129nh m\u1ea1ch ch\u1ee7 tr\u00ean. \u0110\u00e2y l\u00e0 n\u01a1i b\u1eaft \u0111\u1ea7u c\u00e1c xung \u0111i\u1ec7n \u0111\u1ea7u ti\u00ean trong chu k\u1ef3 tim, lan truy\u1ec1n qua c\u00e1c bu\u1ed3ng tim \u0111\u1ec3 k\u00edch th\u00edch co b\u00f3p v\u00e0 \u0111\u1ea9y m\u00e1u \u0111i nu\u00f4i d\u01b0\u1ee1ng to\u00e0n c\u01a1 th\u1ec3. Khi \u1edf tr\u1ea1ng th\u00e1i ngh\u1ec9 ng\u01a1i, nh\u1ecbp xoang kh\u1ecfe m\u1ea1nh th\u01b0\u1eddng dao \u0111\u1ed9ng trong kho\u1ea3ng 60-100 nh\u1ecbp m\u1ed7i ph\u00fat, nh\u01b0ng c\u00f3 th\u1ec3 t\u0103ng khi v\u1eadn \u0111\u1ed9ng, c\u0103ng th\u1eb3ng, ph\u1ea5n kh\u00edch v\u00e0 gi\u1ea3m khi c\u01a1 th\u1ec3 th\u01b0 gi\u00e3n ho\u1eb7c ng\u1ee7.<\/p>\r\n<h2>M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi li\u00ean quan<\/h2>\r\n<h3>Chi ph\u00ed l\u00e0m \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 l\u00e0 bao nhi\u00eau?<\/h3>\r\n<p>M\u1ee9c chi ph\u00ed l\u00e0m \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o t\u1eebng ph\u00f2ng kh\u00e1m. B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o b\u1ea3ng gi\u00e1 chi ti\u1ebft t\u1ea1i website c\u1ee7a Ph\u00f2ng Kh\u00e1m Thu\u1eadn M\u1ef9 S\u00e0i G\u00f2n ho\u1eb7c li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n.<\/p>\r\n<h3>\u0110i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng c\u00f3 ch\u1eafc ch\u1eafn l\u00e0 tim kh\u1ecfe m\u1ea1nh kh\u00f4ng?<\/h3>\r\n<figure id=\"attachment_164438\" aria-describedby=\"caption-attachment-164438\" style=\"width: 800px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-164438\" src=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-4.jpg\" alt=\"\u0110i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng ch\u1ec9 ph\u1ea3n \u00e1nh ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec7n c\u1ee7a tim t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111o\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-4.jpg 800w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-4-300x169.jpg 300w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-4-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-164438\" class=\"wp-caption-text\">\u0110i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng ch\u1ec9 ph\u1ea3n \u00e1nh ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec7n c\u1ee7a tim t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111o<\/figcaption><\/figure>\r\n<p>C\u00e2u tr\u1ea3 l\u1eddi l\u00e0 kh\u00f4ng. \u0110i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng ch\u1ec9 ph\u1ea3n \u00e1nh ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec7n c\u1ee7a tim t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111o. M\u1ed9t s\u1ed1 b\u1ec7nh l\u00fd tim m\u1ea1ch c\u00f3 th\u1ec3 kh\u00f4ng bi\u1ec3u hi\u1ec7n tr\u00ean \u0111i\u1ec7n t\u00e2m \u0111\u1ed3. B\u1ea1n c\u1ea7n kh\u00e1m tim m\u1ea1ch t\u1ed5ng qu\u00e1t \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c b\u1ea5t th\u01b0\u1eddng \u1edf tim.<\/p>\r\n<h3>K\u1ebft qu\u1ea3 \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi y\u1ebfu t\u1ed1 n\u00e0o?<\/h3>\r\n<p>C\u00f3 nhi\u1ec1u y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111i\u1ec7n t\u00e2m \u0111\u1ed3, bao g\u1ed3m:<\/p>\r\n<ul>\r\n<li><strong>Chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a b\u1ec7nh nh\u00e2n khi \u0111o:<\/strong> N\u1ebfu ng\u01b0\u1eddi b\u1ec7nh kh\u00f4ng gi\u1eef y\u00ean c\u01a1 th\u1ec3, c\u1eed \u0111\u1ed9ng c\u01a1 b\u1eafp c\u00f3 th\u1ec3 g\u00e2y nhi\u1ec5u s\u00f3ng, l\u00e0m sai l\u1ec7ch k\u1ebft qu\u1ea3.<\/li>\r\n<li><strong>V\u1ecb tr\u00ed \u0111\u1eb7t \u0111i\u1ec7n c\u1ef1c kh\u00f4ng \u0111\u00fang:<\/strong> C\u00e1c \u0111i\u1ec7n c\u1ef1c c\u1ea7n \u0111\u01b0\u1ee3c g\u1eafn \u0111\u00fang v\u1ecb tr\u00ed tr\u00ean c\u01a1 th\u1ec3 \u0111\u1ec3 thu nh\u1eadn t\u00edn hi\u1ec7u tim ch\u00ednh x\u00e1c. N\u1ebfu d\u00e1n sai ch\u1ed7, d\u1eef li\u1ec7u thu \u0111\u01b0\u1ee3c c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3n \u00e1nh \u0111\u00fang t\u00ecnh tr\u1ea1ng tim m\u1ea1ch.<\/li>\r\n<li style=\"font-weight: 400;\"><strong>D\u00f9ng thu\u1ed1c tr\u01b0\u1edbc khi \u0111o:<\/strong> M\u1ed9t s\u1ed1 lo\u1ea1i thu\u1ed1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 thu\u1ed1c huy\u1ebft \u00e1p, thu\u1ed1c tim m\u1ea1ch ho\u1eb7c thu\u1ed1c an th\u1ea7n, c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nh\u1ecbp tim v\u00e0 l\u00e0m thay \u0111\u1ed5i k\u1ebft qu\u1ea3 \u0111i\u1ec7n t\u00e2m \u0111\u1ed3.<\/li>\r\n<li style=\"font-weight: 400;\"><strong>\u1ea2nh h\u01b0\u1edfng t\u1eeb y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i:<\/strong> Nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed xung quanh ho\u1eb7c c\u0103ng th\u1eb3ng t\u00e2m l\u00fd c\u1ee7a b\u1ec7nh nh\u00e2n c\u0169ng c\u00f3 th\u1ec3 g\u00e2y nhi\u1ec5u \u0111i\u1ec7n t\u00e2m \u0111\u1ed3.<\/li>\r\n<\/ul>\r\n<h3>C\u1ea7n chu\u1ea9n b\u1ecb g\u00ec tr\u01b0\u1edbc khi l\u00e0m \u0111i\u1ec7n t\u00e2m \u0111\u1ed3?<\/h3>\r\n<figure id=\"attachment_164442\" aria-describedby=\"caption-attachment-164442\" style=\"width: 800px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-164442\" src=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-9.jpg\" alt=\"H\u00e3y tu\u00e2n th\u1ee7 l\u1eddi khuy\u00ean c\u1ee7a b\u00e1c s\u0129 tr\u01b0\u1edbc khi \u0111o \u0111i\u1ec7n t\u00e2m \u0111\u1ed3\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-9.jpg 800w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-9-300x169.jpg 300w, https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-9-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-164442\" class=\"wp-caption-text\">H\u00e3y tu\u00e2n th\u1ee7 l\u1eddi khuy\u00ean c\u1ee7a b\u00e1c s\u0129 tr\u01b0\u1edbc khi \u0111o \u0111i\u1ec7n t\u00e2m \u0111\u1ed3<\/figcaption><\/figure>\r\n<p>Th\u00f4ng th\u01b0\u1eddng, b\u1ea1n kh\u00f4ng c\u1ea7n chu\u1ea9n b\u1ecb \u0111\u1eb7c bi\u1ec7t. Tuy nhi\u00ean, n\u00ean m\u1eb7c trang ph\u1ee5c tho\u1ea3i m\u00e1i, tr\u00e1nh caffeine v\u00e0 thu\u1ed1c l\u00e1 tr\u01b0\u1edbc khi \u0111o. B\u00e1c s\u0129 s\u1ebd h\u01b0\u1edbng d\u1eabn c\u1ee5 th\u1ec3 n\u1ebfu c\u1ea7n thi\u1ebft. \u0110\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 ch\u00ednh x\u00e1c, h\u00e3y:<\/p>\r\n<ul>\r\n<li>Th\u00f4ng b\u00e1o cho b\u00e1c s\u0129 v\u1ec1 t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i thu\u1ed1c b\u1ea1n \u0111ang d\u00f9ng.<\/li>\r\n<li>Tr\u00e1nh caffeine, nicotine v\u00e0 ch\u1ea5t k\u00edch th\u00edch v\u00e0i gi\u1edd tr\u01b0\u1edbc khi \u0111o.<\/li>\r\n<li>Tr\u00e1nh v\u1eadn \u0111\u1ed9ng m\u1ea1nh tr\u01b0\u1edbc khi ki\u1ec3m tra.<\/li>\r\n<li>Th\u01b0 gi\u00e3n, th\u1edf \u0111\u1ec1u v\u00e0 n\u1eb1m y\u00ean trong qu\u00e1 tr\u00ecnh \u0111o.<\/li>\r\n<li>B\u00e1o cho b\u00e1c s\u0129 n\u1ebfu b\u1ea1n c\u1ea3m th\u1ea5y kh\u00f3 ch\u1ecbu.<\/li>\r\n<li>L\u1ef1a ch\u1ecdn c\u01a1 s\u1edf y t\u1ebf uy t\u00edn.<\/li>\r\n<li>Tu\u00e2n th\u1ee7 theo h\u01b0\u1edbng d\u1eabn c\u1ee7a b\u00e1c s\u0129.<\/li>\r\n<\/ul>\r\n<h3>Ngo\u00e0i \u0111i\u1ec7n t\u00e2m \u0111\u1ed3, c\u00f2n c\u00f3 nh\u1eefng x\u00e9t nghi\u1ec7m n\u00e0o kh\u00e1c \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 s\u1ee9c kh\u1ecfe tim m\u1ea1ch?<\/h3>\r\n<p>Tuy \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 l\u00e0 c\u00f4ng c\u1ee5 quan tr\u1ecdng gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c b\u1ea5t th\u01b0\u1eddng v\u1ec1 tim. Tuy nhi\u00ean, \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 kh\u00f4ng th\u1ec3 thay th\u1ebf ho\u00e0n to\u00e0n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra s\u1ee9c kho\u1ebb tim m\u1ea1ch kh\u00e1c. n\u1ebfu b\u00e1c s\u0129 nghi ng\u1edd c\u00f3 nh\u1eefng b\u1ea5t th\u01b0\u1eddng nh\u01b0ng \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 kh\u00f4ng ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c, ng\u01b0\u1eddi b\u1ec7nh c\u00f3 th\u1ec3 ph\u1ea3i th\u1ef1c hi\u1ec7n th\u00eam si\u00eau \u00e2m tim, x\u00e9t nghi\u1ec7m men tim, ch\u1ee5p CT \u0111\u1ed9ng m\u1ea1ch v\u00e0nh,&#8230; <strong>Xem th\u00eam:\u00a0<\/strong><\/p>\r\n<ul>\r\n<li><a href=\"https:\/\/www.docosan.com\/blog\/tim-mach\/dau-that-nguc-dau-hieu-canh-bao-benh-mach-vanh-khong-nen-bo-qua\/\">\u0110au th\u1eaft ng\u1ef1c \u2013 D\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o b\u1ec7nh m\u1ea1ch v\u00e0nh kh\u00f4ng n\u00ean b\u1ecf qua<\/a>.<\/li>\r\n<li><a href=\"https:\/\/www.docosan.com\/blog\/tim-mach\/benh-mach-vanh\/\">B\u1ec7nh m\u1ea1ch v\u00e0nh: d\u1ea5u hi\u1ec7u, nguy\u00ean nh\u00e2n, ch\u1ea9n \u0111o\u00e1n v\u00e0 \u0111i\u1ec1u tr\u1ecb<\/a>.<\/li>\r\n<\/ul>\r\n<p><em>Tr\u00ean \u0111\u00e2y l\u00e0 b\u00e0i vi\u1ebft h\u01b0\u1edbng d\u1eabn c\u00e1ch x\u00e1c \u0111\u1ecbnh th\u00f4ng s\u1ed1 \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng c\u00f9ng c\u00e1c y\u1ebfu t\u1ed1 li\u00ean quan kh\u00e1c. H\u00e3y chia s\u1ebb b\u00e0i vi\u1ebft h\u1eefu \u00edch n\u00e0y \u0111\u1ebfn m\u1ecdi ng\u01b0\u1eddi xung quanh nh\u00e9.<\/em> <strong>Ngu\u1ed3n tham kh\u1ea3o chung:<\/strong> <strong>1. Normal Electrocardiography (ECG) Intervals<\/strong><\/p>\r\n<ul>\r\n<li><strong>Link tham kh\u1ea3o:<\/strong> <a href=\"https:\/\/emedicine.medscape.com\/article\/2172196-overview?form=fpf\" target=\"_blank\" rel=\"noopener\">https:\/\/emedicine.medscape.com\/article\/2172196-overview?form=fpf<\/a><\/li>\r\n<li><strong>Ng\u00e0y tham kh\u1ea3o:<\/strong> 06\/5\/2025<\/li>\r\n<\/ul>\r\n<p><strong>2. Normal ECG<\/strong><\/p>\r\n<ul>\r\n<li><strong>Link tham kh\u1ea3o:<\/strong> <a href=\"https:\/\/elentra.healthsci.queensu.ca\/assets\/modules\/ECG\/normal_ecg.html\" target=\"_blank\" rel=\"noopener\">https:\/\/elentra.healthsci.queensu.ca\/assets\/modules\/ECG\/normal_ecg.html<\/a><\/li>\r\n<li><strong>Ng\u00e0y tham kh\u1ea3o:<\/strong> 06\/5\/2025<\/li>\r\n<\/ul>\r\n<p><strong>3. The Normal ECG<\/strong><\/p>\r\n<ul>\r\n<li><strong>Link tham kh\u1ea3o:<\/strong> <a href=\"https:\/\/geekymedics.com\/the-normal-ecg\/\" target=\"_blank\" rel=\"noopener\">https:\/\/geekymedics.com\/the-normal-ecg\/<\/a><\/li>\r\n<li><strong>Ng\u00e0y tham kh\u1ea3o:<\/strong> 06\/5\/2025<\/li>\r\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>\u0110i\u1ec7n t\u00e2m \u0111\u1ed3 (ECG) l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ghi l\u1ea1i ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec7n c\u1ee7a tim, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00e1 ph\u1ed5 bi\u1ebfn t\u1ea1i c\u00e1c b\u1ec7nh vi\u1ec7n, ph\u00f2ng kh\u00e1m \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n v\u00e0 theo d\u00f5i b\u1ec7nh l\u00fd tim m\u1ea1ch. C\u00e1c ch\u1ec9 s\u1ed1 \u0111i\u1ec7n t\u00e2m \u0111\u1ed3 b\u00ecnh th\u01b0\u1eddng s\u1ebd \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi b\u00e1c s\u0129 c\u00f3 chuy\u00ean m\u00f4n, [&hellip;]<\/p>\n","protected":false},"author":67,"featured_media":166827,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[13],"tags":[3654,692,3656,3653,3655],"class_list":["post-163511","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc-y-te","tag-cach-doc-dien-tam-do-binh-thuong","tag-dien-tam-do-binh-thuong","tag-dien-tam-do-binh-thuong-va-mot-so-benh-ly","tag-hinh-anh-dien-tam-do-binh-thuong","tag-phan-tich-dien-tam-do-binh-thuong"],"acf":[],"featured_image_src":"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-600x400.jpg","featured_image_src_square":"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2025\/05\/dien-tam-do-binh-thuong-giai-thich-chi-tiet-cac-chi-so-600x600.jpg","author_info":{"display_name":"\u0110\u1ed9i ng\u0169 bi\u00ean t\u1eadp Docosan","author_link":"https:\/\/www.docosan.com\/blog\/author\/duoc-si-thao-vy\/"},"_links":{"self":[{"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/posts\/163511","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/users\/67"}],"replies":[{"embeddable":true,"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/comments?post=163511"}],"version-history":[{"count":12,"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/posts\/163511\/revisions"}],"predecessor-version":[{"id":177508,"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/posts\/163511\/revisions\/177508"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/media\/166827"}],"wp:attachment":[{"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/media?parent=163511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/categories?post=163511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/tags?post=163511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}