Theo nghi\u00ean c\u1ee9u m\u1edbi, \u201cl\u00e0m m\u1ed9t ly\u201d tr\u01b0\u1edbc khi ch\u1ee3p m\u1eaft tr\u00ean m\u00e1y bay l\u00e0 h\u1ebft s\u1ee9c nguy h\u1ea1i.<\/p>\n
Khoang m\u00e1y bay \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u00e1p \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 cao t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 8,000 feet (2,438 m\u00e9t), ngh\u0129a l\u00e0 \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed v\u00e0 n\u1ed3ng \u0111\u1ed9 oxy th\u1ea5p h\u01a1n m\u1ee9c m\u00e0 ch\u00fang ta tr\u1ea3i qua tr\u00ean Tr\u00e1i \u0111\u1ea5t. Theo m\u1ed9t nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 h\u00f4m th\u1ee9 Hai tr\u00ean t\u1ea1p ch\u00ed Thorax, k\u1ebft h\u1ee3p \u0111i\u1ec1u \u0111\u00f3 v\u1edbi vi\u1ec7c u\u1ed1ng r\u01b0\u1ee3u v\u00e0 ng\u1ee7, nhi\u1ec1u kh\u1ea3 n\u0103ng m\u1ed9t ng\u01b0\u1eddi s\u1ebd b\u1ecb gi\u1ea3m \u0111\u1ed9 b\u00e3o h\u00f2a oxy trong m\u00e1u.<\/p>\n
T\u00e1c gi\u1ea3 ch\u00ednh c\u1ee7a nghi\u00ean c\u1ee9u, Ti\u1ebfn S\u0129 Eva-Maria Elmenhorst, ph\u00f3 khoa gi\u1ea5c ng\u1ee7 v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 con ng\u01b0\u1eddi, \u0111\u1ed3ng th\u1eddi l\u00e0 tr\u01b0\u1edfng nh\u00f3m c\u00f4ng t\u00e1c v\u1ec1 Hi\u1ec7u Su\u1ea5t v\u00e0 Gi\u1ea5c Ng\u1ee7 t\u1ea1i Vi\u1ec7n Y H\u1ecdc H\u00e0ng Kh\u00f4ng V\u0169 Tr\u1ee5 DLR \u1edf Cologne, \u0110\u1ee9c, n\u0103n n\u1ec9: \u201cXin \u0111\u1eebng u\u1ed1ng r\u01b0\u1ee3u tr\u00ean m\u00e1y bay.\u201d<\/p>\n
\u0110\u1ec3 th\u00ed nghi\u1ec7m, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1o ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng kh\u00ed quy\u1ec3n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 cabin m\u00e1y bay \u0111ang bay. Trong hai \u0111\u00eam, 48 ng\u01b0\u1eddi tr\u01b0\u1edfng th\u00e0nh kh\u1ecfe m\u1ea1nh ng\u1ee7 b\u1ed1n gi\u1edd trong hai m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau \u2013 m\u1ed9t l\u1ea7n kh\u00f4ng u\u1ed1ng r\u01b0\u1ee3u v\u00e0 m\u1ed9t l\u1ea7n sau khi u\u1ed1ng hai ly r\u01b0\u1ee3u ho\u1eb7c m\u1ed9t lon bia.<\/p>\n
Nghi\u00ean c\u1ee9u cho th\u1ea5y v\u00e0o nh\u1eefng \u0111\u00eam u\u1ed1ng r\u01b0\u1ee3u, l\u01b0\u1ee3ng oxy c\u1ee7a nh\u1eefng ng\u01b0\u1eddi tham gia gi\u1ea3m xu\u1ed1ng v\u00e0 nh\u1ecbp tim c\u1ee7a h\u1ecd t\u0103ng l\u00ean. S\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a vi\u1ec7c u\u1ed1ng r\u01b0\u1ee3u v\u1edbi vi\u1ec7c ng\u1ee7 trong \u0111i\u1ec1u ki\u1ec7n h\u1ea1 \u00e1p huy\u1ebft g\u00e2y ra c\u0103ng th\u1eb3ng \u0111\u00e1ng k\u1ec3 cho h\u1ec7 tim v\u00e0 c\u00f3 th\u1ec3 l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam c\u00e1c tri\u1ec7u ch\u1ee9ng \u1edf nh\u1eefng b\u1ec7nh nh\u00e2n m\u1eafc b\u1ec7nh tim ho\u1eb7c ph\u1ed5i.\u201d<\/p>\n
Ti\u1ebfn S\u0129 tim m\u1ea1ch Andrew Freeman, gi\u00e1m \u0111\u1ed1c ph\u00f2ng ng\u1eeba tim m\u1ea1ch v\u00e0 s\u1ee9c kh\u1ecfe t\u1ea1i National Do Th\u00e1i Health \u1edf Denver cho bi\u1ebft, nghi\u00ean c\u1ee9u n\u00e0y tuy nh\u1ecf nh\u01b0ng cung c\u1ea5p \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u \u0111\u1ec3 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ti\u1ebfp t\u1ee5c \u0111i\u1ec1u tra m\u1ed1i quan h\u1ec7 gi\u1eefa gi\u1ea5c ng\u1ee7, chuy\u1ebfn bay v\u00e0 r\u01b0\u1ee3u.<\/p>\n
C\u00e1c chuy\u00ean gia cho bi\u1ebft, nhi\u1ec1u ng\u01b0\u1eddi c\u00f3 th\u1ec3 u\u1ed1ng r\u01b0\u1ee3u tr\u00ean m\u00e1y bay \u0111\u1ec3 gi\u00fap h\u1ecd ng\u1ee7 v\u00ec \u0111i\u1ec1u ki\u1ec7n trong cabin th\u01b0\u1eddng kh\u00f4ng tho\u1ea3i m\u00e1i, nh\u01b0ng l\u00e0m nh\u01b0 v\u1eady s\u1ebd t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn c\u1ea3 s\u1ee9c kh\u1ecfe l\u00e2u d\u00e0i.<\/p>\n
C\u00e1c t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u kh\u00f4ng ch\u1ec9 thu th\u1eadp d\u1eef li\u1ec7u v\u1ec1 t\u00ecnh tr\u1ea1ng c\u0103ng th\u1eb3ng c\u1ee7a tim m\u00e0 h\u1ecd c\u00f2n xem x\u00e9t k\u1ef9 h\u01a1n ch\u1ea5t l\u01b0\u1ee3ng gi\u1ea5c ng\u1ee7 c\u1ee7a ng\u01b0\u1eddi tham gia. \u00a0Th\u1eddi gian trong gi\u1ea5c ng\u1ee7 REM \u2013 giai \u0111o\u1ea1n chuy\u1ec3n \u0111\u1ed9ng m\u1eaft nhanh c\u00f3 th\u1ec3 quan tr\u1ecdng trong vi\u1ec7c c\u1ee7ng c\u1ed1 tr\u00ed nh\u1edb v\u00e0 ph\u1ee5c h\u1ed3i n\u00e3o ng\u1eafn h\u01a1n \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi \u0111ang tr\u00ean m\u00e1y bay c\u00f3 u\u1ed1ng r\u01b0\u1ee3u.<\/p>\n
Ph\u00e1t hi\u1ec7n n\u00e0y kh\u00f4ng c\u00f3 g\u00ec \u0111\u00e1ng ng\u1ea1c nhi\u00ean, theo Freeman, r\u01b0\u1ee3u c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n d\u1ec5 ng\u1ee7 nh\u01b0ng ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng t\u1ed1t b\u1eb1ng vi\u1ec7c ng\u1ee7 khi t\u1ec9nh t\u00e1o. Nhi\u1ec1u ng\u01b0\u1eddi ch\u1ee9ng ki\u1ebfn khi u\u1ed1ng nhi\u1ec1u r\u01b0\u1ee3u, t\u00ecnh tr\u1ea1ng ng\u00e1y v\u00e0 ch\u1ee9ng ng\u01b0ng th\u1edf khi ng\u1ee7 tr\u1edf n\u00ean tr\u1ea7m tr\u1ecdng h\u01a1n nhi\u1ec1u.<\/p>\n
Ti\u1ebfn S\u0129 Shalini Paruthi thu\u1ed9c Tr\u01b0\u1eddng Y, \u0110\u1ea1i H\u1ecdc Saint Louis, cho bi\u1ebft th\u1eddi l\u01b0\u1ee3ng gi\u1ea5c ng\u1ee7 khi b\u1ecb \u1ea3nh h\u01b0\u1edfng c\u0169ng c\u00f3 xu h\u01b0\u1edbng kh\u00e1c nhau. M\u1ecdi ng\u01b0\u1eddi c\u00f3 xu h\u01b0\u1edbng ng\u1ee7 kh\u00f4ng ngon gi\u1ea5c sau khi u\u1ed1ng r\u01b0\u1ee3u, ngh\u0129a l\u00e0 h\u1ecd th\u1ee9c d\u1eady nhi\u1ec1u h\u01a1n v\u00e0o ban \u0111\u00eam v\u00e0 kh\u00f4ng ng\u1ee7 l\u00e2u.\u00a0\u0110\u00f4i khi m\u1ecdi ng\u01b0\u1eddi s\u1ebd ch\u1ec9 ngh\u0129 v\u1ec1 t\u00e1c d\u1ee5ng t\u1ee9c th\u1eddi, l\u00e0 x\u1ec9n th\u00ec d\u1ec5 ng\u1ee7, nh\u01b0ng h\u1ecd l\u1ea1i qu\u00ean m\u1ea5t t\u1ea5t c\u1ea3 nh\u1eefng t\u00e1c d\u1ee5ng kh\u00e1c c\u1ee7a r\u01b0\u1ee3u.<\/p>\n
Freeman cho bi\u1ebft, \u0111\u1eb7c bi\u1ec7t c\u1ea9n th\u1eadn kh\u00f4ng tr\u1ed9n thu\u1ed1c h\u1ed7 tr\u1ee3 gi\u1ea5c ng\u1ee7 v\u1edbi r\u01b0\u1ee3u, v\u00ec c\u1ea3 hai \u0111\u1ec1u l\u00e0 ch\u1ea5t g\u00e2y tr\u1ea7m c\u1ea3m v\u00e0 t\u0103ng c\u01b0\u1eddng t\u00e1c d\u1ee5ng an th\u1ea7n khi u\u1ed1ng chung. \u0110\u00e3 x\u1ea3y ra kh\u00f4ng \u00edt tr\u01b0\u1eddng h\u1ee3p nh\u1eadu say r\u1ed3i c\u00f2n u\u1ed1ng th\u00eam thu\u1ed1c ng\u1ee7, th\u1ebf l\u00e0 ph\u1ea3i \u0111i\u2026 c\u1ea5p c\u1ee9u.<\/p>\n
V\u00ec v\u1eady, h\u00e3y c\u1ed1 g\u1eafng tu\u00e2n theo chu k\u1ef3 t\u1ef1 nhi\u00ean c\u1ee7a c\u01a1 th\u1ec3 khi bay, Freeman n\u00f3i \u2013 m\u1eb7c d\u00f9 \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c. H\u00e3y c\u1ed1 g\u1eafng ch\u1ecdn m\u1ed9t chuy\u1ebfn bay ph\u00f9 h\u1ee3p v\u1edbi th\u00f3i quen ng\u1ee7 c\u1ee7a b\u1ea1n; tr\u00e1nh t\u1ea1o ra nh\u1eefng chu k\u1ef3 ng\u1ee7 v\u00e0 th\u1ee9c b\u1eb1ng qu\u00e1 nhi\u1ec1u ch\u1ea5t k\u00edch th\u00edch nh\u01b0 c\u00e0 ph\u00ea, n\u01b0\u1edbc t\u0103ng l\u1ef1c v\u00e0 c\u00e1c ch\u1ea5t g\u00e2y tr\u1ea7m c\u1ea3m nh\u01b0 r\u01b0\u1ee3u; h\u00e3y u\u1ed1ng \u0111\u1ee7 n\u01b0\u1edbc v\u00ec m\u00f4i tr\u01b0\u1eddng tr\u00ean m\u00e1y bay r\u1ea5t kh\u00f4, d\u00f9 m\u00e1t v\u00ec c\u00f3 m\u00e1y l\u1ea1nh. Th\u1ef1c ph\u1ea9m \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5 t\u1ea1i s\u00e2n bay v\u00e0 m\u00e1y bay th\u01b0\u1eddng m\u1eb7n, nhi\u1ec1u d\u1ea7u m\u1ee1 v\u00e0 qua ch\u1ebf bi\u1ebfn, v\u00ec v\u1eady Freeman khuy\u00ean b\u1ea1n n\u00ean t\u1ef1 mang theo \u0111\u1ed3 \u0103n, ho\u1eb7c t\u00ecm c\u00e1c l\u1ef1a ch\u1ecdn th\u1ee9c \u0103n nh\u1eb9 \u1edf phi tr\u01b0\u1eddng nh\u1eb9 v\u00e0 ch\u1ee7 y\u1ebfu c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb th\u1ef1c v\u1eadt.<\/p>\n
T\u1eadp th\u1ec3 d\u1ee5c c\u0169ng c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n ng\u1ee7 ngon h\u01a1n, v\u00ec v\u1eady \u00f4ng khuy\u00ean n\u00ean tr\u00e1nh \u0111i thang m\u00e1y v\u00e0 di chuy\u1ec3n tr\u00ean v\u1ec9a h\u00e8 \u0111\u1ec3 \u0111i b\u1ed9 v\u00e0i b\u01b0\u1edbc. N\u1ebfu b\u1ea1n ph\u1ea3i bay m\u1ed9t chuy\u1ebfn bay d\u00e0i, h\u00e3y c\u1ed1 g\u1eafng \u0111\u1ee9ng d\u1eady v\u00e0 v\u1eadn \u0111\u1ed9ng m\u1ed9t ch\u00fat.<\/p>\n
\u00d4ng n\u00f3i: \u201c\u0110i\u1ec1u cu\u1ed1i c\u00f9ng t\u00f4i ch\u1ec9 ra l\u00e0 c\u00f3 r\u1ea5t nhi\u1ec1u b\u1eb1ng ch\u1ee9ng cho th\u1ea5y \u00e1nh s\u00e1ng xanh ph\u00e1t ra t\u1eeb m\u00e0n h\u00ecnh v\u00e0 t\u1ea5t c\u1ea3 nh\u1eefng th\u1ee9 \u0111\u00f3 c\u1ea3n tr\u1edf gi\u1ea5c ng\u1ee7. T\u1ed1t nh\u1ea5t, b\u1ea1n n\u00ean d\u00f9ng tai nghe ch\u1ed1ng \u1ed3n v\u00e0 \u0111\u1eebng c\u00f3 xem g\u00ec tr\u00ean m\u00e0n h\u00ecnh tr\u01b0\u1edbc gh\u1ebf ng\u1ed3i.\u201d<\/p>\n
(theo CNN)<\/p>\n
The post U\u1ed1ng r\u01b0\u1ee3u tr\u01b0\u1edbc khi ng\u1ee7 tr\u00ean m\u00e1y bay, l\u1ee3i b\u1ea5t c\u1eadp h\u1ea1i!<\/a> appeared first on Saigon Nh\u1ecf<\/a>.<\/p>\n \u00a0<\/p>","protected":false},"excerpt":{"rendered":" Theo nghi\u00ean c\u1ee9u m\u1edbi, \u201cl\u00e0m m\u1ed9t ly\u201d tr\u01b0\u1edbc khi ch\u1ee3p m\u1eaft tr\u00ean m\u00e1y bay l\u00e0 h\u1ebft s\u1ee9c nguy h\u1ea1i. Khoang m\u00e1y bay \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u00e1p \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 cao t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 8,000 feet (2,438 m\u00e9t), ngh\u0129a l\u00e0 \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed v\u00e0 n\u1ed3ng \u0111\u1ed9 oxy th\u1ea5p h\u01a1n m\u1ee9c m\u00e0 ch\u00fang ta tr\u1ea3i qua tr\u00ean …<\/p>","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[82,43],"tags":[],"class_list":["post-51474","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-society","category-health"],"_links":{"self":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/posts\/51474","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/comments?post=51474"}],"version-history":[{"count":0,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/posts\/51474\/revisions"}],"wp:attachment":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/media?parent=51474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/categories?post=51474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/tags?post=51474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}