T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 8 – Arkady Leokum<\/p>\n\n\n\n
C\u01a1 tim l\u00e0 c\u01a1 th\u1ecbt \u0111\u1eb7c bi\u1ec7t. N\u00f3 c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng co gi\u00e3n m\u1ed9t c\u00e1ch nh\u1ecbp nh\u00e0ng. Khi qu\u1ea3 tim co v\u00e0o t\u1ee9c l\u00e0 \u0111ang l\u00e0m vi\u1ec7c, gi\u00e3n tr\u1edf l\u1ea1i l\u00e0 ngh\u1ec9 ng\u01a1i. m\u1ed7i m\u1ed9t nh\u1ecbp ch\u1ea3y qua tim g\u1ecdi l\u00e0 m\u1ed9t chu k\u1ef3 nh\u1ecbp tim. Chu k\u1ef3 nh\u1ecbp tim d\u00e0i hay ng\u1eafn l\u00e0 do t\u1ea7ng su\u1ea5t c\u1ee7a tim quy\u1ebft \u0111\u1ecbnh. T\u1ea7n su\u1ea5t tim l\u00e0 ch\u1ec9 s\u1ed1 l\u1ea7n tim \u0111\u1eadp trong m\u1ed9t \u0111\u01a1n v\u1ecb th\u1eddi gian, ng\u01b0\u1eddi tr\u01b0\u1edfng th\u00e0nh t\u1ea7n su\u1ea5t tim b\u00ecnh qu\u00e2n 75 nh\u1ecbp m\u1ed9t ph\u00fat, tu\u1ed5i t\u00e1c, gi\u1edbi t\u00ednh kh\u00f4ng gi\u1ed1ng nhau th\u00ec t\u1ea7n su\u1ea5t tim c\u0169ng kh\u00f4ng gi\u1ed1ng nhau. Nh\u1ecbp tim c\u1ee7a tr\u1ebb s\u01a1 sinh l\u00e0 120\/ph\u00fat, sau n\u00e0y nh\u1ecbp tim ch\u1eadm \u0111i t\u1eeb t\u1eeb t\u1edbi kho\u1ea3ng 15 tu\u1ed5i th\u00ec g\u1ea7n b\u1eb1ng nh\u1ecbp tim c\u1ee7a ng\u01b0\u1eddi tr\u01b0\u1edfng th\u00e0nh. B\u00ecnh th\u01b0\u1eddng th\u00ec nh\u1ecbp tim c\u1ee7a ph\u1ee5 n\u1eef h\u01a1i nhanh h\u01a1n nam gi\u1edbi, nh\u1ecbp tim c\u1ee7a ng\u01b0\u1eddi \u00edt t\u1eadp luy\u1ec7n th\u1ec3 d\u1ee5c nhanh h\u01a1n ng\u01b0\u1eddi th\u01b0\u1eddng xuy\u00ean t\u1eadp luy\u1ec7n th\u1ec3 d\u1ee5c.<\/p>\n\n\n\n
N\u1ebfu nh\u1ecbp tim c\u1ee9 75 nh\u1ecbp\/ph\u00fat th\u00ec chu k\u1ef3 t\u1ea7n su\u1ea5t tim l\u00e0 0,8 gi\u00e2y. Trong m\u1ed9t chu k\u1ef3 nh\u1ecbp tim, tr\u01b0\u1edbc ti\u00ean l\u00e0 c\u01a1 tim c\u1ee7a t\u00e2m nh\u0129 co l\u1ea1i, th\u1eddi gian co l\u1ea1i ch\u1ec9 c\u00f3 0,1 gi\u00e2y, sau \u0111\u00f3 gi\u00e3n ra ngay, th\u1eddi gian gi\u00e3n l\u00e0 0,7 gi\u00e2y. Khi c\u01a1 tim c\u1ee7a t\u00e2m nh\u0129 gi\u00e3n ra, c\u01a1 tim c\u1ee7a t\u00e2m th\u1ea5t b\u1eaft \u0111\u1ea7u co l\u1ea1i, th\u1eddi gian co l\u1ea1i l\u00e0 0,3 gi\u00e2y, sau \u0111\u00f3 b\u1eaft \u0111\u1ea7u gi\u00e3n ra l\u00e0 0,5 gi\u00e2y. T\u1eeb \u0111\u00e2y c\u00f3 th\u1ec3 th\u1ea5y, chu k\u1ef3 nh\u1ecbp tim m\u1ea5t kho\u1ea3ng 0,8 gi\u00e2y, trong 0,8 gi\u00e2y n\u00e0y, c\u01a1 tim c\u1ee7a t\u00e2m nh\u0129 ch\u1ec9 l\u00e0m vi\u1ec7c 0,3 gi\u00e2y, c\u00f2n l\u1ea1i l\u00e0 th\u1eddi gian ngh\u1ec9 ng\u01a1i c\u1ee7a ch\u00fang. N\u1ebfu t\u00ednh 1 ng\u00e0y 24 ti\u1ebfng \u0111\u1ed3ng h\u1ed3 th\u00ec c\u01a1 tim c\u1ee7a t\u00e2m nh\u0129 l\u00e0m vi\u1ec7c t\u1ea5t c\u1ea3 4 ti\u1ebfng, c\u01a1 tim c\u1ee7a t\u00e2m th\u1ea5t l\u00e0m vi\u1ec7c t\u1ed5ng c\u1ed9ng 10 ti\u1ebfng. Ch\u00ednh nh\u1edd t\u00e2m nh\u0129, t\u00e2m th\u1ea5t c\u00f3 quy lu\u1eadt lu\u00e2n l\u01b0u trong c\u00f4ng vi\u1ec7c n\u00ean c\u01a1 tim k\u1ebft h\u1ee3p \u0111\u01b0\u1ee3c gi\u1eefa ngh\u1ec9 ng\u01a1i v\u00e0 l\u00e0m vi\u1ec7c, c\u00f3 v\u1eady n\u00f3 m\u1edbi c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c \u0111\u01b0\u1ee3c m\u1ea5y m\u01b0\u01a1i n\u0103m theo tu\u1ed5i th\u1ecd c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 8 – Arkady Leokum C\u01a1 tim l\u00e0 c\u01a1 th\u1ecbt \u0111\u1eb7c bi\u1ec7t. N\u00f3 c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng co gi\u00e3n m\u1ed9t c\u00e1ch nh\u1ecbp nh\u00e0ng. Khi qu\u1ea3 tim co v\u00e0o t\u1ee9c l\u00e0 \u0111ang l\u00e0m vi\u1ec7c, gi\u00e3n tr\u1edf l\u1ea1i l\u00e0 ngh\u1ec9 ng\u01a1i. m\u1ed7i m\u1ed9t nh\u1ecbp ch\u1ea3y qua […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15],"tags":[],"class_list":["post-15234","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15234","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=15234"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15234\/revisions"}],"predecessor-version":[{"id":15235,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15234\/revisions\/15235"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=15234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=15234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=15234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}