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
Tim l\u00e0 c\u01a1 quan tr\u1ecdng trong c\u01a1 th\u1ec3 con ng\u01b0\u1eddi, nh\u1ecbp \u0111\u1eadp c\u1ee7a qu\u1ea3 tim t\u01b0\u1ee3ng tr\u01b0ng cho m\u1ea1ng s\u1ed1ng c\u1ee7a m\u1ed9t con ng\u01b0\u1eddi, m\u1ed9t ng\u00e0y n\u00e0o \u0111\u00f3 nh\u1ecbp tim ng\u1eebng l\u1ea1i th\u00ec coi nh\u01b0 \u201cm\u1ea5t m\u1ea1ng\u201d. C\u00f4ng n\u0103ng c\u1ee7a tim ch\u00ednh l\u00e0 th\u00fac \u0111\u1ea9y m\u00e1u huy\u1ebft l\u01b0u th\u00f4ng, ch\u00ednh v\u00ec v\u1eady tim c\u00f3 danh hi\u1ec7u c\u00e1i b\u01a1m c\u1ee7a s\u1ef1 s\u1ed1ng. Th\u1ebf nh\u01b0ng trong m\u1ed7i ng\u01b0\u1eddi c\u00f4ng n\u0103ng qu\u1ea3 tim l\u1ea1i kh\u00f4ng gi\u1ed1ng nhau. C\u00f3 ng\u01b0\u1eddi c\u00f4ng n\u0103ng c\u1ee7a qu\u1ea3 tim cao, c\u00f3 ng\u01b0\u1eddi c\u00f4ng n\u0103ng qu\u1ea3 tim b\u00ecnh th\u01b0\u1eddng, c\u00f3 ng\u01b0\u1eddi c\u00f4ng n\u0103ng tim l\u1ea1i th\u1ea5p, ti\u00eau chu\u1ea9n n\u00e0y d\u1ef1a v\u00e0o l\u01b0\u1ee3ng m\u00e1u n\u00f3 v\u1eadn chuy\u1ec3n \u0111\u01b0\u1ee3c trong 1 ph\u00fat. M\u1ed9t ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng, n\u1ebfu t\u00ednh m\u1ed7i ph\u00fat tim \u0111\u1eadp 75 nh\u1ecbp th\u00ec m\u1ed7i ph\u00fat n\u00f3 v\u1eadn chuy\u1ec3n \u0111\u01b0\u1ee3c kho\u1ea3ng 5250 ml m\u00e1u.<\/p>\n\n\n\n
Ng\u01b0\u1eddi th\u01b0\u1eddng xuy\u00ean luy\u1ec7n t\u1eadp th\u1ec3 thao, th\u00ec c\u01a1 tim s\u1ebd to kh\u1ecfe h\u01a1n nh\u1eefng ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng kh\u00e1c. Tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 dung l\u01b0\u1ee3ng c\u1ee7a tim c\u0169ng t\u0103ng l\u00ean. Dung l\u01b0\u1ee3ng tim c\u00f3 th\u1ec3 t\u1eeb 1015-1027 ml. Ng\u01b0\u1eddi kh\u00f4ng r\u00e8n luy\u1ec7n th\u1ec3 thao, dung l\u01b0\u1ee3ng tim \u01b0\u1edbc kho\u1ea3ng trong 765-785 ml. Nguy\u00ean nh\u00e2n l\u00e0 khi v\u1eadn \u0111\u1ed9ng, tu\u1ea7n ho\u00e0n c\u1ee7a m\u00e1u t\u0103ng nhanh, nh\u1ecbp tim c\u0169ng t\u0103ng nhanh, h\u01a1n th\u1ebf c\u01a1 tim gi\u00e3n ra h\u1ebft m\u1ee9c, l\u01b0\u1ee3ng m\u00e1u v\u1eadn chuy\u1ec3n c\u0169ng nhi\u1ec1u l\u00ean th\u00ec c\u01a1 tim s\u1ebd b\u1ecb k\u00e9o d\u00e0i ra, th\u1ebf l\u00e0 l\u1ef1c co c\u1ee7a c\u01a1 tim c\u00e0ng m\u1ea1nh l\u00ean. \u0110\u1ed3ng th\u1eddi v\u1edbi vi\u1ec7c n\u00e0y, tim c\u00f2n sinh ra m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn mao m\u1ea1ch m\u1edbi, \u0111i\u1ec1u n\u00e0y h\u1ed7 tr\u1ee3 cho vi\u1ec7c cung c\u1ea5p th\u00eam m\u00e1u cho c\u01a1 tim. Ngo\u00e0i ra nh\u1edd s\u1ef1 r\u00e8n luy\u1ec7n, c\u00f3 th\u1ec3 c\u1ea3i ti\u1ebfn qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t c\u1ee7a c\u01a1 tim, c\u01a1 tim co l\u1ea1i, protein t\u0103ng l\u00ean, khi\u1ebfn cho s\u1ee3i c\u01a1 tim c\u00e0ng to kh\u1ecfe, th\u00e0nh tim c\u00e0ng d\u00e0y h\u01a1n. Nh\u1edd r\u00e8n luy\u1ec7n th\u1ec3 thao m\u00e0 c\u01a1 tim d\u00e0y kh\u1ecfe th\u00eam n\u00ean ng\u01b0\u1eddi ta g\u1ecdi tim c\u1ee7a c\u00e1c nh\u00e0 th\u1ec3 thao l\u00e0 \u201ctim v\u1eadn \u0111\u1ed9ng vi\u00ean\u201d.<\/p>\n\n\n\n
Trong c\u00e1c m\u00f4n v\u1eadn \u0111\u1ed9ng th\u1ec3 thao c\u00f3 th\u1ec3 l\u00e0m cho tim l\u1edbn kh\u1ecfe m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng nh\u1ea5t l\u00e0 ch\u1ea1y \u0111\u01b0\u1eddng d\u00e0i, tr\u01b0\u1ee3t tuy\u1ebft, ch\u00e8o thuy\u1ec1n, \u0111\u1ea1p xe \u0111\u1ea1p, leo n\u00fai v.v\u2026 Th\u01b0\u1eddng xuy\u00ean luy\u1ec7n t\u1eadp th\u1ec3 d\u1ee5c c\u00f3 th\u1ec3 bi\u1ebfn b\u1ea1n tr\u1edf th\u00e0nh ng\u01b0\u1eddi c\u00f3 tr\u00e1i tim c\u1ee7a v\u1eadn \u0111\u1ed9ng vi\u00ean. Khi b\u1ea1n \u0111ang th\u1ef1c hi\u1ec7n nh\u1eefng v\u1eadn \u0111\u1ed9ng m\u1ea1nh, l\u01b0\u1ee3ng l\u1edbn d\u01b0\u1ee1ng kh\u00ed \u0111\u01b0\u1ee3c h\u00edt v\u00e0o, b\u00f9 \u0111\u1eafp cho l\u01b0\u1ee3ng d\u01b0\u1ee1ng kh\u00ed c\u00f2n thi\u1ebfu. C\u01a1 tim \u0111\u01b0\u1ee3c cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 m\u00e1u, ph\u00e1t huy t\u01b0\u01a1ng \u0111\u1ed1i cao kh\u1ea3 n\u0103ng co b\u00f3p, t\u1eeb \u0111\u00f3 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m nhi\u1ec7m \u0111\u01b0\u1ee3c kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c ch\u1ed3ng ch\u1ea5t h\u00e0ng ng\u00e0y.<\/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 Tim l\u00e0 c\u01a1 quan tr\u1ecdng trong c\u01a1 th\u1ec3 con ng\u01b0\u1eddi, nh\u1ecbp \u0111\u1eadp c\u1ee7a qu\u1ea3 tim t\u01b0\u1ee3ng tr\u01b0ng cho m\u1ea1ng s\u1ed1ng c\u1ee7a m\u1ed9t con ng\u01b0\u1eddi, m\u1ed9t ng\u00e0y n\u00e0o \u0111\u00f3 nh\u1ecbp tim ng\u1eebng l\u1ea1i th\u00ec coi nh\u01b0 \u201cm\u1ea5t m\u1ea1ng\u201d. C\u00f4ng n\u0103ng […]<\/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-15238","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\/15238","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=15238"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15238\/revisions"}],"predecessor-version":[{"id":15239,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15238\/revisions\/15239"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=15238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=15238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=15238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}