t\u1ea7n s\u1ed1 tim<\/a> l\u00e0 75 l\u1ea7n\/ph\u00fat th\u00ec th\u1eddi gian c\u1ee7a m\u1ed9t chu k\u1ef3 tim l\u00e0 0.8 gi\u00e2y.<\/span><\/p>\nChu k\u1ef3 tim g\u1ed3m ba giai \u0111o\u1ea1n ch\u00ednh l\u00e0:<\/span><\/p>\n\n- Nh\u0129 thu<\/span><\/li>\n
- Th\u1ea5t thu<\/span><\/li>\n
- T\u00e2m tr\u01b0\u01a1ng to\u00e0n b\u1ed9<\/span><\/li>\n<\/ul>\n
2. C\u00e1c gia \u0111o\u1ea1n c\u1ee7a chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng tim?<\/b><\/h2>\n2.1 Giai \u0111o\u1ea1n nh\u0129 thu<\/b><\/h3>\n
\u0110\u00e2y l\u00e0 giai \u0111o\u1ea1n t\u00e2m nh\u0129 co l\u00e0m \u00e1p su\u1ea5t trong t\u00e2m nh\u0129 t\u0103ng l\u00ean, cao h\u01a1n trong t\u00e2m th\u1ea5t. L\u00fac n\u00e0y van nh\u0129 th\u1ea5t \u0111ang m\u1edf v\u00e0 m\u00e1u s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ea9y t\u1eeb t\u00e2m nh\u0129 xu\u1ed1ng t\u00e2m th\u1ea5t.<\/span><\/p>\nT\u00e2m nh\u0129 thu c\u00f3 t\u00e1c d\u1ee5ng \u0111\u1ea9y n\u1ed1t l\u01b0\u1ee3ng m\u00e1u kho\u1ea3ng 35% so v\u1edbi t\u1ed5ng l\u01b0\u1ee3ng m\u00e1u t\u1eeb t\u00e2m nh\u0129 xu\u1ed1ng t\u00e2m th\u1ea5t trong m\u1ed9t chu k\u1ef3 tim. Th\u1eddi gian t\u00e2m nh\u0129 thu l\u00e0 0.10 gi\u00e2y.<\/span><\/p>\nSau giai \u0111o\u1ea1n t\u00e2m nh\u0129 thu th\u00ec t\u00e2m nh\u0129 s\u1ebd gi\u00e3n 1 ra trong su\u1ed1t th\u1eddi gian c\u00f2n l\u1ea1i c\u1ee7a chu k\u1ef3 tim. M\u00e1u t\u1eeb t\u00e2m nh\u0129 xu\u1ed1ng t\u00e2m th\u1ea5t \u1edf giai \u0111o\u1ea1n n\u00e0y l\u00e0m cho \u00e1p su\u1ea5t t\u00e2m th\u1ea5t c\u0169ng t\u0103ng trong th\u1eddi gian t\u00e2m nh\u0129 thu.<\/span><\/p>\n2.2 Giai \u0111o\u1ea1n t\u00e2m th\u1ea5t thu<\/b><\/h3>\n
\u0110\u00e2y l\u00e0 giai \u0111o\u1ea1n t\u00e2m th\u1ea5t c\u00f3 l\u1ea1i, b\u1eaft \u0111\u1ea7u sau giai \u0111o\u1ea1n t\u00e2m nh\u0129 thu. Th\u1eddi gian t\u00e2m th\u1ea5 thu l\u00e0 0.3 gi\u00e2y v\u00e0 \u0111\u01b0\u1ee3c chia th\u00e0nh hai th\u1eddi k\u1ef3<\/span><\/p>\nTh\u1eddi k\u1ef3 t\u0103ng \u00e1p: C\u01a1 t\u00e2m th\u1ea5t co l\u00e0m \u00e1p su\u1ea5t trong t\u00e2m th\u1ea5t t\u0103ng l\u00ean cao h\u01a1n \u00e1p su\u1ea5t trong t\u00e2m nh\u0129, l\u00e0m cho van nh\u0129 th\u1ea5t \u0111\u00f3ng l\u1ea1i v\u00e0 l\u1ed3i l\u00ean v\u1ec1 ph\u00eda t\u00e2m nh\u0129 l\u00e0m \u00e1p su\u1ea5t trong t\u00e2m nh\u0129 c\u0169ng t\u0103ng l\u00ean l\u00fac n\u00e0y. Nh\u01b0ng trong th\u1eddi k\u1ef3 n\u00e0y \u00e1p su\u1ea5t trong t\u00e2m th\u1ea5t v\u1eabn nh\u1ecf h\u01a1n \u00e1p su\u1ea5t trong trong \u0111\u1ed9ng m\u1ea1ch n\u00ean van \u0111\u1ed9ng m\u1ea1ch ch\u01b0a m\u1edf ra n\u00ean m\u00e1u trong t\u00e2m th\u1ea5t ch\u01b0a tho\u00e1t ra \u0111\u01b0\u1ee3c. \u1ede th\u1eddi k\u1ef3 n\u00e3y \u00e1p su\u1ea5t c\u1ee7a t\u00e2m th\u1ea5t t\u0103ng r\u1ea5t nhanh trong kho\u1ea3ng th\u1eddi gian r\u1ea5t ng\u1eafn 0.05 gi\u00e2y.<\/span><\/p>\nTh\u1eddi k\u1ef3 t\u1ed1ng m\u00e1u: V\u00e0o cu\u1ed1i th\u1eddi k\u1ef3 t\u0103ng \u00e1p th\u00ec \u00e1p su\u1ea5t c\u1ee7a t\u00e2m th\u1ea5t tr\u1edf n\u00ean cao h\u01a1n \u00e1p su\u1ea5t trong \u0111\u1ed9ng m\u1ea1ch ch\u1ee7 v\u00e0 \u0111\u1ed9ng m\u1ea1ch ph\u1ed5i l\u00e0m v\u00e2n \u0111\u1ed9ng m\u1ea1ch ch\u1ee7 m\u1edf ra, m\u00e1u \u1edf t\u00e2m th\u1ea5t phun v\u00e0o \u0111\u1ed9ng m\u1ea1ch. L\u00fac n\u00e0y t\u00e2m th\u1ea5t v\u1eabn \u0111ang ti\u1ebfp t\u1ee5c co b\u00f3p, th\u1eddi gian c\u00f9a th\u1eddi k\u1ef3 t\u1ed1ng m\u00e1u l\u00e0 0.25 gi\u00e2y.<\/span><\/p>\nTh\u1eddi k\u1ef3 t\u1ed1ng m\u00e1u \u0111\u01b0\u1ee3c chia th\u00e0nh hai gia \u0111o\u1ea1n l\u00e0:<\/span><\/p>\n\n- Th\u1eddi k\u1ef3 t\u1ed1ng m\u00e1u nhanh l\u00e0 th\u00ec b\u1eaft \u0111\u1ea7u c\u1ee7a th\u1eddi k\u1ef3 t\u1ed1ng m\u00e1u d\u00e0i kho\u1ea3ng 0.09 gi\u00e2y. Trong l\u00fac n\u00e0y c\u00f3 kho\u1ea3ng 80% l\u01b0\u1ee3ng m\u00e1u trong t\u00e2m th\u1ea5t \u0111\u01b0\u1ee3c t\u1ed1ng v\u00e0o \u0111\u1ed9ng m\u1ea1ch ch\u1ee7.<\/span><\/li>\n
- Th\u1eddi k\u1ef3 t\u1ed1ng m\u00e1u ch\u1eadm l\u00e0 th\u00ec ti\u1ebfp theo c\u1ee7a th\u1eddi k\u1ef3 t\u1ed1ng m\u00e1u nhanh v\u1edbi th\u1eddi gian l\u00e0 0.16 gi\u00e2y v\u00e0 t\u1ed1ng 20% l\u01b0\u1ee3ng m\u00e1u c\u00f2n l\u1ea1i trong t\u00e2m th\u1ea5t v\u00e0o \u0111\u1ed9ng m\u1ea1ch.<\/span><\/li>\n<\/ul>\n
Tuy th\u00e0nh t\u00e2m th\u1ea5t d\u00e0y h\u01a1n t\u00e2m th\u1ea5t ph\u1ea3i l\u00e0 l\u1ef1c co b\u00f3p c\u1ee7a t\u00e2m th\u1ea5t tr\u00e1i c\u0169ng m\u1ea1nh h\u01a1n t\u00e2m th\u1ea5t ph\u1ea3i nh\u01b0ng s\u1ee9c c\u1ea3n c\u1ee7a v\u00f2ng tu\u1ea7n ho\u00e0n nh\u1ecf th\u1ea5p v\u00f2ng tu\u1ea7n ho\u00e0n l\u1edbn n\u00ean m\u1ed7i l\u1ea7n t\u00e2m th\u1ea5t co b\u00f3p th\u00ec c\u1ea3 hai b\u00ean tr\u00e1i ph\u1ea3i \u0111\u1ec1u t\u1ed1ng v\u00e0o \u0111\u1ed9ng m\u1ea1ch ch\u1ee7 v\u00e0 \u0111\u1ed9ng m\u1ea1ch ph\u1ed5i m\u1ed9t th\u1ec3 t\u00edch g\u1ea7n nh\u01b0 b\u1eb1ng nhau.<\/span><\/p>\n2.3 Giai \u0111o\u1ea1n t\u00e2m tr\u01b0\u01a1ng to\u00e0n b\u1ed9<\/b><\/h3>\n
Sau giai \u0111o\u1ea1n t\u00e2m th\u1ea5t thu, t\u00e2m th\u1ea5t b\u1eaft \u0111\u1ea7u gi\u00e3n ra trong l\u00fac \u0111\u00f3 t\u00e2m nh\u0129 v\u1eabn \u0111ang gi\u00e3n, \u0111\u00e2y l\u00e0 giai \u0111o\u1ea1n t\u00e2m tr\u01b0\u01a1ng to\u00e0n b\u1ed9.<\/span><\/p>\nT\u00e2m th\u1ea5t gi\u00e3n ra th\u00ec \u00e1p su\u1ea5t trong t\u00e2m th\u1ea5t gi\u1ea3m xu\u1ed1ng v\u00e0 th\u1ea5p h\u01a1n \u00e1p su\u1ea5t trong \u0111\u1ed9ng m\u1ea1ch l\u00e0m cho van \u0111\u1ed9ng m\u1ea1ch \u0111\u00f3ng l\u1ea1i.<\/span><\/p>\nT\u00e2m th\u1ea5t ti\u1ebfp t\u1ee5c gi\u00e3n l\u00e0 th\u1ec3 t\u00edch tim kh\u00f4ng thay \u0111\u1ed5i v\u00ec l\u00fac n\u00e0y van \u0111\u1ed9ng m\u1ea1ch \u0111\u00e3 \u0111\u00f3ng v\u00e0 van nh\u0129 th\u1ea5t ch\u01b0a m\u1edf n\u00ean m\u00e1u ch\u01b0a tho\u00e1t \u0111i \u0111\u00e2u \u0111\u01b0\u1ee3c. Sau \u0111\u00f3 \u00e1p su\u1ea5t trong t\u00e2m th\u1ea5t gi\u1ea3m nhanh v\u00e0 th\u1ea5p h\u01a1n t\u00e2m nh\u0129 l\u00e0m m\u00e1u \u0111\u01b0\u1ee3c h\u00fat t\u1eeb t\u00e2m nh\u0129 xu\u1ed1ng t\u00e2m th\u1ea5t theo hai th\u00ec:\u00a0<\/span><\/p>\n\n- \u0110\u1ea7y th\u1ea5t nhanh: m\u00e1u h\u00fat xu\u1ed1ng t\u00e2m th\u1ea5t nhanh<\/span><\/li>\n
- \u0110\u1ea7y th\u1ea5t ch\u1eadm: sau khi \u0111\u1ea7y th\u1ea5t nhanh m\u00e1u \u0111\u01b0\u1ee3c h\u00fat xu\u1ed1ng ch\u1eadm d\u1ea7n\u00a0<\/span><\/li>\n<\/ul>\n
Giai \u0111o\u1ea1n t\u00e2m tr\u01b0\u01a1ng to\u00e0n b\u1ed9 d\u00e0i 0.4 gi\u00e2y, \u0111\u00e2y l\u00e0 th\u1eddi gian cho m\u00e1u kho\u1ea3ng 65% t\u1eeb t\u00e2m nh\u0129 xu\u1ed1ng t\u00e2m th\u1ea5t trong chu k\u1ef3 tim. V\u00e0 gia \u0111o\u1ea1n n\u00e0y t\u00e2m nh\u0129 v\u1eabn \u0111ang gi\u00e3n v\u00e0 \u00e1p su\u1ea5t c\u0169ng gi\u1ea3m theo t\u00e2m th\u1ea5t.<\/span><\/p>\nK\u1ebft th\u00fac gia \u0111o\u1ea1n n\u00e0y, t\u00e2m th\u1ea5t v\u1eabn ti\u1ebfp t\u1ee5c gi\u00e3n th\u00eam 0.1 gi\u00e2y trong khi t\u00e2m nh\u0129 b\u1eaft \u0111\u1ea7u co m\u1edf \u0111\u1ea7u cho chu k\u1ef3 tim m\u1edbi.<\/span><\/p>\n3. C\u00e1c b\u1ec7nh li\u00ean quan \u0111\u1ebfn chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a tim<\/b><\/h2>\n
Chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a tim l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh ph\u1ee9c t\u1ea1p v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c b\u1ec7nh l\u00fd c\u00f3 li\u00ean quan \u0111\u1ebfn tim \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chu k\u1ef3 n\u00e0y. C\u00e1c b\u1ec7nh v\u1ec1 chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a tim bao g\u1ed3m:<\/span><\/p>\n3.1 R\u1ed1i lo\u1ea1n nh\u1ecbp tim<\/b><\/h3>\n
\u0110\u00e2y l\u00e0 t\u00ecnh tr\u1ea1ng m\u00e0 nh\u1ecbp tim kh\u00f4ng \u0111\u1ec1u, qu\u00e1 nhanh ho\u1eb7c qu\u00e1 ch\u1eadm. C\u00e1c tri\u1ec7u ch\u1ee9ng bao g\u1ed3m tim \u0111\u1eadp nhanh, ch\u00f3ng m\u1eb7t, kh\u00f3 th\u1edf v\u00e0 \u0111au ng\u1ef1c. C\u00e1c nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 bao g\u1ed3m b\u1ec7nh l\u00fd tim, t\u0103ng huy\u1ebft \u00e1p, b\u1ec7nh l\u00fd tuy\u1ebfn gi\u00e1p v\u00e0 s\u1eed d\u1ee5ng thu\u1ed1c.<\/span><\/p>\n3.2 B\u1ec7nh nh\u0129- th\u1ea5t<\/b>\u00a0<\/span><\/h3>\n\u0110\u00e2y l\u00e0 t\u00ecnh tr\u1ea1ng m\u00e0 tim kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang chu k\u1ef3 do m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 v\u1ec1 nh\u0129- th\u1ea5t. C\u00e1c tri\u1ec7u ch\u1ee9ng bao g\u1ed3m \u0111au ng\u1ef1c, m\u1ec7t m\u1ecfi, kh\u00f3 th\u1edf v\u00e0 ch\u00f3ng m\u1eb7t. Nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 bao g\u1ed3m b\u1ec7nh l\u00fd van tim, vi\u00eam tim m\u1ea1n t\u00ednh, v\u00e0ng da v\u00e0 t\u0103ng \u00e1p l\u1ef1c trong t\u0129nh m\u1ea1ch.<\/span><\/p>\n3.3 B\u1ec7nh van tim<\/b><\/h3>\n
\u0110\u00e2y l\u00e0 t\u00ecnh tr\u1ea1ng m\u00e0 van trong tim kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang chu k\u1ef3, l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng \u0111\u1ea9y m\u00e1u ra ngo\u00e0i c\u01a1 th\u1ec3. C\u00e1c tri\u1ec7u ch\u1ee9ng bao g\u1ed3m m\u1ec7t m\u1ecfi, \u0111au ng\u1ef1c, kh\u00f3 th\u1edf v\u00e0 ch\u00f3ng m\u1eb7t. Nguy\u00ean nh\u00e2n bao g\u1ed3m vi\u00eam van tim, b\u1ec7nh l\u00fd van tim v\u00e0 v\u00f4i h\u00f3a van tim.<\/span><\/p>\n3.4 B\u1ec7nh t\u0103ng huy\u1ebft \u00e1p<\/b><\/h3>\n
\u00a0\u0110\u00e2y l\u00e0 t\u00ecnh tr\u1ea1ng m\u00e0 \u00e1p l\u1ef1c m\u00e1u trong m\u1ea1ch m\u00e1u t\u0103ng cao, g\u00e2y ra c\u0103ng th\u1eb3ng cho tim. C\u00e1c tri\u1ec7u ch\u1ee9ng bao g\u1ed3m \u0111au \u0111\u1ea7u, m\u1ec7t m\u1ecfi v\u00e0 \u0111au ng\u1ef1c. Nguy\u00ean nh\u00e2n bao g\u1ed3m th\u00f3i quen \u0103n u\u1ed1ng kh\u00f4ng t\u1ed1t, thi\u1ebfu ho\u1ea1t \u0111\u1ed9ng th\u1ec3 ch\u1ea5t v\u00e0 y\u1ebfu t\u1ed1 di truy\u1ec1n.<\/span><\/p>\n3.5 B\u1ec7nh l\u00fd c\u01a1 tim<\/b><\/h3>\n
\u0110\u00e2y l\u00e0 t\u00ecnh tr\u1ea1ng m\u00e0 c\u01a1 tim b\u1ecb suy y\u1ebfu, kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang chu k\u1ef3. C\u00e1c tri\u1ec7u ch\u1ee9ng bao g\u1ed3m m\u1ec7t m\u1ecfi, kh\u00f3 th\u1edf v\u00e0 \u0111au ng\u1ef1c. Nguy\u00ean nh\u00e2n bao g\u1ed3m vi\u00eam tim, t\u0103ng huy\u1ebft \u00e1p v\u00e0 s\u1eed d\u1ee5ng thu\u1ed1c.<\/span><\/p>\nNh\u1eefng b\u1ec7nh l\u00fd n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng cho s\u1ee9c kh\u1ecfe c\u1ee7a c\u01a1 th\u1ec3, v\u00ec v\u1eady n\u1ebfu c\u00f3 b\u1ea5t k\u1ef3 tri\u1ec7u ch\u1ee9ng n\u00e0o li\u00ean quan \u0111\u1ebfn tim, b\u1ea1n n\u00ean \u0111i kh\u00e1m b\u00e1c s\u0129 \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u00e0 \u0111i\u1ec1u tr\u1ecb k\u1ecbp th\u1eddi.<\/span><\/p>\nChu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a tim c\u1ee9 l\u1eb7p l\u1ea1i ba giai \u0111o\u1ea1n n\u00e0y v\u00e0 t\u1ed1ng m\u00e1u \u0111i nu\u00f4i c\u01a1 th\u1ec3. N\u1ebfu b\u1ea5t th\u01b0\u1eddng m\u1ed9t trong ba giai \u0111o\u1ea1n n\u00e0y c\u00f3 th\u1ec3 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh cung c\u1ea5p m\u00e1u c\u1ee7a tim, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kho\u1ebb c\u1ee7a ng\u01b0\u1eddi b\u1ec7nh.<\/span><\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":"
Ho\u1ea1t \u0111\u1ed9ng chu k\u1ef3 tim v\u1edbi ch\u1ee9c n\u0103ng nh\u01b0 m\u1ed9t c\u00e1i b\u01a1m, v\u1eeba h\u00fat v\u1eeba \u0111\u1ea9y m\u00e1u trong h\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n n\u00ean tim l\u00e0 \u0111\u1ed9ng l\u1ef1c ch\u00ednh c\u1ee7a tim.\u00a0 1. T\u1ed5ng quan v\u1ec1 chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a tim? H\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n g\u1ed3m tim m\u1ea1ch v\u00e0 m\u1ea1ch m\u00e1u c\u00f3 ch\u1ee9c n\u0103ng \u0111\u1ea3m b\u1ea3o […]<\/p>\n","protected":false},"author":34,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[],"yoast_head":"\n
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