Trong v\u01b0\u01a1ng qu\u1ed1c \u0111\u1ed9ng v\u1eadt, h\u01b0\u01a1u cao c\u1ed5 l\u00e0 \u0111\u1ed9ng v\u1eadt c\u00f3 th\u00e2n h\u00ecnh cao nh\u1ea5t, d\u01b0\u1eddng nh\u01b0 l\u00e0 cao b\u1eb1ng ba ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng. Do \u0111\u1ea7u c\u1ee7a n\u00f3 cao t\u00edt ph\u00eda tr\u00ean, c\u00e1ch tim r\u1ea5t xa, \u0111\u1ec3 \u0111\u01b0a \u0111\u01b0\u1ee3c m\u00e1u l\u00ean \u0111\u1ea7u th\u00ec ph\u1ea3i t\u0103ng huy\u1ebft \u00e1p trong c\u01a1 th\u1ec3, v\u00ec v\u1eady huy\u1ebft \u00e1p c\u1ee7a h\u01b0\u01a1u cao c\u1ed5 l\u00ean \u0111\u1ebfn 350 mm c\u1ed9t thu\u1ef7 ng\u00e2n, g\u1ea5p 3 l\u1ea7n huy\u1ebft \u00e1p c\u1ee7a ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n
Huy\u1ebft \u00e1p cao nh\u01b0 v\u1eady, n\u1ebfu l\u00e0 \u1edf ng\u01b0\u1eddi ho\u1eb7c \u0111\u1ed9ng v\u1eadt kh\u00e1c ch\u1eafc ch\u1eafn s\u1ebd l\u00e0m cho m\u1ea1ch m\u00e1u n\u00e3o b\u1ecb \u0111\u1ee9t, d\u1eabn \u0111\u1ebfn xu\u1ea5t huy\u1ebft n\u00e3o, nh\u01b0ng h\u01b0\u01a1u cao c\u1ed5 t\u1ea1i sao kh\u00f4ng b\u1ecb nh\u01b0 v\u1eady nh\u1ec9?<\/p>\n\n\n\n
Th\u00ec ra, trong c\u01a1 th\u1ec3 c\u1ee7a h\u01b0\u01a1u cao c\u1ed5 c\u00f3 m\u1ed9t “b\u1ed9 m\u00e1y b\u1ea3o v\u1ec7” r\u1ea5t kh\u00e1c bi\u1ec7t. C\u00e1c nh\u00e0 khoa h\u1ecdc khi gi\u1ea3i ph\u1eabu n\u00e3o c\u1ee7a h\u01b0\u01a1u cao c\u1ed5 \u0111\u00e3 ph\u00e1t hi\u1ec7n ra trong n\u00e3o c\u1ee7a n\u00f3 c\u00f3 m\u1ed9t nh\u00f3m \u0111\u1ed9ng m\u1ea1ch nh\u1ecf gi\u1ed1ng nh\u01b0 h\u1ea3i mi\u00ean, h\u00ecnh d\u00e1ng nh\u01b0 l\u01b0\u1edbi, n\u1eb1m \u1edf ph\u1ea7n \u0111\u00e1y n\u00e3o, k\u1ebft c\u1ea5u \u0111\u1eb7c bi\u1ec7t n\u00e0y c\u00f3 t\u00e1c d\u1ee5ng g\u00ec v\u1eady nh\u1ec9?<\/p>\n\n\n\n
Ho\u00e1 ra, khi h\u01b0\u01a1u cao c\u1ed5 ng\u1ea9ng cao \u0111\u1ea7u l\u00ean, m\u00e1u do t\u00e1c d\u1ee5ng c\u1ee7a tr\u1ecdng l\u1ef1c b\u1ed7ng ch\u1ed1c ch\u1ea3y xu\u1ed1ng d\u01b0\u1edbi, nh\u01b0ng khi ch\u1ea3y \u0111\u1ebfn nh\u00f3m ti\u1ec3u \u0111\u1ed9ng m\u1ea1ch h\u00ecnh l\u01b0\u1edbi n\u00e0y th\u00ec t\u1ed1c \u0111\u1ed9 s\u1ebd gi\u1ea3m ch\u1eadm \u0111i nhi\u1ec1u, v\u00ec v\u1eady s\u1ebd kh\u00f4ng x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng thi\u1ebfu m\u00e1u n\u00e3o \u0111\u1ed9t ng\u1ed9t \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
H\u01b0\u01a1u cao c\u1ed5 v\u1edbi th\u00e2n h\u00ecnh cao l\u1edbn nh\u01b0 v\u1eady khi mu\u1ed1n u\u1ed1ng n\u01b0\u1edbc, \u0111\u1ea7u s\u1ebd h\u1ea1 xu\u1ed1ng v\u1ecb tr\u00ed th\u1ea5p h\u01a1n so v\u1edbi tim, l\u00fac n\u00e0y, khi tim \u0111\u1eadp, huy\u1ebft \u00e1p s\u1ea3n sinh ra s\u1ebd \u0111\u01b0a m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn m\u00e1u ch\u1ea3y m\u1ea1nh v\u00e0o \u0111\u1ea1i n\u00e3o. Nh\u01b0ng c\u0169ng b\u1edfi \u0111\u00e3 c\u00f3 s\u1ef1 b\u1ea3o v\u1ec7 c\u1ee7a nh\u00f3m \u0111\u1ed9ng m\u1ea1ch nh\u1ecf h\u00ecnh l\u01b0\u1edbi n\u00e0y n\u00ean kh\u00f4ng th\u1ec3 l\u00e0m cho n\u00e3o \u0111\u1ed9t ng\u1ed9t s\u1ea3n sinh ra huy\u1ebft \u00e1p r\u1ea5t cao \u0111\u01b0\u1ee3c. C\u00e1c nh\u00e0 khoa h\u1ecdc khi gi\u1ea3i th\u00edch hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y n\u00f3i r\u1eb1ng, khi m\u00e1u ch\u1ea3y m\u1ea1nh v\u1ec1 h\u01b0\u1edbng n\u00e3o, tr\u01b0\u1edbc ti\u00ean \u0111i v\u00e0o trong \u0111\u1ed9ng m\u1ea1ch nh\u1ecf h\u00ecnh l\u01b0\u1edbi, l\u00e0m cho m\u1ea1ch m\u00e1u nh\u1ecf c\u1ee7a nh\u1eefng \u0111\u1ed9ng m\u1ea1ch n\u00e0y ph\u00ecnh l\u00ean, c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m ch\u1eadm l\u1ea1i v\u00e0 h\u1ea1 th\u1ea5p huy\u1ebft \u00e1p. \u0110i\u1ec1u n\u00e0y c\u0169ng gi\u1ed1ng nh\u01b0 d\u00f2ng n\u01b0\u1edbc ch\u1ea3y xi\u1ebft th\u00f4ng qua nhi\u1ec1u \u1ed1ng n\u01b0\u1edbc nh\u1ecf, khi l\u1ea1i t\u1eeb \u1ed1ng n\u01b0\u1edbc nh\u1ecf ch\u1ea3y v\u1ec1 \u1ed1ng n\u01b0\u1edbc l\u1edbn th\u00ec \u00e1p l\u1ef1c c\u0169ng s\u1ebd gi\u1ea3m b\u1edbt nh\u01b0 v\u1eady.<\/p>\n\n\n\n
T\u00f3m l\u1ea1i, h\u01b0\u01a1u cao c\u1ed5 \u0111\u00e3 c\u00f3 b\u1ed9 m\u00e1y tu\u1ea7n ho\u00e0n m\u00e1u \u0111\u1eb7c bi\u1ec7t n\u00e0y, th\u00ec b\u1ea5t lu\u1eadn l\u00e0 ng\u1ea9ng \u0111\u1ea7u l\u00ean hay c\u00fai \u0111\u1ea7u xu\u1ed1ng \u0111\u1ec1u s\u1ebd kh\u00f4ng xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng n\u00e3o thi\u1ebfu m\u00e1u hay ch\u1ea3y m\u00e1u n\u00e3o \u0111\u01b0\u1ee3c.<\/p>\n","protected":false},"excerpt":{"rendered":"
Trong v\u01b0\u01a1ng qu\u1ed1c \u0111\u1ed9ng v\u1eadt, h\u01b0\u01a1u cao c\u1ed5 l\u00e0 \u0111\u1ed9ng v\u1eadt c\u00f3 th\u00e2n h\u00ecnh cao nh\u1ea5t, d\u01b0\u1eddng nh\u01b0 l\u00e0 cao b\u1eb1ng ba ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng. Do \u0111\u1ea7u c\u1ee7a n\u00f3 cao t\u00edt ph\u00eda tr\u00ean, c\u00e1ch tim r\u1ea5t xa, \u0111\u1ec3 \u0111\u01b0a \u0111\u01b0\u1ee3c m\u00e1u l\u00ean \u0111\u1ea7u th\u00ec ph\u1ea3i t\u0103ng huy\u1ebft \u00e1p trong c\u01a1 th\u1ec3, v\u00ec v\u1eady huy\u1ebft \u00e1p […]<\/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":[15,10],"tags":[],"class_list":["post-8619","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-sinh-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8619","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=8619"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8619\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}