{"id":8599,"date":"2015-07-22T21:00:26","date_gmt":"2015-07-22T21:00:26","guid":{"rendered":"http:\/\/tydaikho.com\/khoa-hoc-thuong-thuc\/chuyen-luan-hoi\/da-tim-thay-dau-hieu-dau-tien-ve-su-song-sau-cai-chet\/"},"modified":"2015-07-22T21:00:26","modified_gmt":"2015-07-22T21:00:26","slug":"da-tim-thay-dau-hieu-dau-tien-ve-su-song-sau-cai-chet","status":"publish","type":"post","link":"https:\/\/demo.vnno1.net\/index.php\/2015\/07\/22\/da-tim-thay-dau-hieu-dau-tien-ve-su-song-sau-cai-chet\/","title":{"rendered":"\u0110\u00e3 t\u00ecm th\u1ea5y d\u1ea5u hi\u1ec7u \u0111\u1ea7u ti\u00ean v\u1ec1 “s\u1ef1 s\u1ed1ng sau c\u00e1i ch\u1ebft”"},"content":{"rendered":"
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<\/div>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc thu\u1ed9c \u0110\u1ea1i h\u1ecdc Southampton (Anh) \u0111\u00e3 ph\u00e1t hi\u1ec7n ra d\u1ea5u hi\u1ec7u cho th\u1ea5y con ng\u01b0\u1eddi c\u00f3 th\u1ec3 nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c \u00edt nh\u1ea5t l\u00e0 v\u00e0i ph\u00fat sau khi ch\u1ebft l\u00e2m s\u00e0ng – \u0111i\u1ec1u m\u00e0 tr\u01b0\u1edbc nay v\u1eabn cho r\u1eb1ng kh\u00f4ng th\u1ec3.
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<\/strong>
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Ch\u1ebft l\u00e0 k\u1ebft qu\u1ea3 kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi c\u1ee7a s\u1ef1 s\u1ed1ng, nh\u01b0ng nay c\u00e1c nh\u00e0 khoa h\u1ecdc tin r\u1eb1ng h\u1ecd c\u00f3 l\u1ebd \u0111\u00e3 ph\u00e1t hi\u1ec7n ra m\u1ed9t ch\u00fat \u00e1nh s\u00e1ng \u1edf ph\u00eda cu\u1ed1i \u0111\u01b0\u1eddng h\u1ea7m.
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Nghi\u00ean c\u1ee9u y khoa l\u1edbn nh\u1ea5t t\u1eeb tr\u01b0\u1edbc \u0111\u1ebfn nay v\u1ec1 gi\u00e2y ph\u00fat c\u1eadn k\u1ec1 c\u00e1i ch\u1ebft v\u00e0 nh\u1eefng tr\u1ea3i nghi\u1ec7m “h\u1ed3n l\u00eca kh\u1ecfi x\u00e1c” \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng m\u1ed9t ch\u00fat nh\u1eadn th\u1ee9c c\u00f3 th\u1ec3 v\u1eabn c\u00f2n ti\u1ebfp t\u1ee5c th\u1eadm ch\u00ed sau khi b\u1ed9 n\u00e3o \u0111\u00e3 d\u1eebng ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n.<\/p>\n

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\u0110\u00e2y l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 g\u00e2y nhi\u1ec1u tranh c\u00e3i v\u00e0 cho \u0111\u1ebfn nay v\u1eabn c\u00f2n b\u1ecb ho\u00e0i nghi.<\/em><\/div>\n

Tuy v\u1eady, c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i \u0110\u1ea1i h\u1ecdc Southampton c\u1ee7a Anh trong b\u1ed1n n\u0103m qua \u0111\u00e3 ti\u1ebfn h\u00e0nh ki\u1ec3m tra h\u01a1n 2.000 ng\u01b0\u1eddi t\u1eebng tr\u1ea3i qua tri\u1ec7u ch\u1ee9ng tim ng\u1eebng \u0111\u1eadp \u1edf 15 b\u1ec7nh vi\u1ec7n t\u1ea1i Anh, M\u1ef9 v\u00e0 \u00c1o. H\u1ecd ph\u00e1t hi\u1ec7n ra g\u1ea7n 40% nh\u1eefng ng\u01b0\u1eddi s\u1ed1ng s\u00f3t \u0111\u00e3 m\u00f4 t\u1ea3 m\u1ed9t s\u1ed1 d\u1ea1ng “nh\u1eadn th\u1ee9c” trong th\u1eddi gian ch\u1ebft l\u00e2m s\u00e0ng, tr\u01b0\u1edbc khi tr\u00e1i tim c\u1ee7a h\u1ecd \u0111\u1eadp tr\u1edf l\u1ea1i.
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M\u1ed9t ng\u01b0\u1eddi \u0111\u00e0n \u00f4ng th\u1eadm ch\u00ed c\u00f2n “th\u1ea5y” r\u00f5 linh h\u1ed3n r\u1eddi kh\u1ecfi c\u01a1 th\u1ec3 ho\u00e0n to\u00e0n v\u00e0 \u0111\u1ee9ng quan s\u00e1t c\u00e1c ho\u1ea1t \u0111\u1ed9ng h\u1ed3i s\u1ee9c cho m\u00ecnh t\u1eeb g\u00f3c ph\u00f2ng. M\u1eb7c d\u00f9 v\u00f4 th\u1ee9c v\u00e0 “\u0111\u00e3 ch\u1ebft” \u0111\u01b0\u1ee3c ba ph\u00fat, ng\u01b0\u1eddi \u0111\u00e0n \u00f4ng 57 tu\u1ed5i v\u00e0 l\u00e0 m\u1ed9t nh\u00e2n vi\u00ean x\u00e3 h\u1ed9i \u0111\u1ebfn t\u1eeb Southampton, c\u00f3 th\u1ec3 k\u1ec3 l\u1ea1i chi ti\u1ebft c\u00e1c h\u00e0nh \u0111\u1ed9ng h\u1ed3i s\u1ee9c c\u1ee7a c\u00e1c nh\u00e2n vi\u00ean \u0111i\u1ec1u d\u01b0\u1ee1ng v\u00e0 m\u00f4 t\u1ea3 \u00e2m thanh c\u1ee7a m\u00e1y m\u00f3c.
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“Ch\u00fang ta bi\u1ebft r\u1eb1ng n\u00e3o kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng khi tim \u0111\u00e3 ng\u1eebng \u0111\u1eadp”, ti\u1ebfn s\u0129 Sam Parnia, t\u1eebng l\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Southampton, hi\u1ec7n \u0111ang l\u00e0m vi\u1ec7c t\u1ea1i \u0110\u1ea1i h\u1ecdc Bang New York, ng\u01b0\u1eddi \u0111\u1ee9ng \u0111\u1ea7u cu\u1ed9c nghi\u00ean c\u1ee9u cho bi\u1ebft.
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“Nh\u01b0ng trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, \u00fd th\u1ee9c d\u01b0\u1eddng nh\u01b0 v\u1eabn ti\u1ebfp t\u1ee5c trong 3 ph\u00fat sau khi tr\u00e1i tim ng\u1eebng \u0111\u1eadp, d\u00f9 n\u00e3o \u0111\u00e3 ng\u1eebng ho\u1ea1t \u0111\u1ed9ng trong v\u00f2ng 20-30 gi\u00e2y sau khi tim ng\u1eebng \u0111\u1eadp”.
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“Ng\u01b0\u1eddi \u0111\u00e0n \u00f4ng \u0111\u00f3 \u0111\u00e3 c\u00f3 th\u1ec3 m\u00f4 t\u1ea3 t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec x\u1ea3y ra trong ph\u00f2ng, nh\u01b0ng quan tr\u1ecdng h\u01a1n, \u00f4ng nghe \u0111\u01b0\u1ee3c hai ti\u1ebfng b\u00edp t\u1eeb m\u1ed9t m\u00e1y t\u00ednh c\u00f3 c\u01a1 ch\u1ebf ph\u00e1t ra \u00e2m thanh “b\u00edp” theo chu k\u1ef3 3 ph\u00fat. Nh\u1eefng g\u00ec \u00f4ng \u1ea5y mi\u00eau t\u1ea3 ch\u00ednh l\u00e0 nh\u1eefng g\u00ec \u0111\u00e3 th\u1ef1c s\u1ef1 x\u1ea3y ra v\u1edbi \u00f4ng \u1ea5y”.
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Trong s\u1ed1 2060 b\u1ec7nh nh\u00e2n \u0111\u00e3 tr\u1ea3i qua gi\u00e2y ph\u00fat tr\u00e1i tim ng\u1eebng \u0111\u1eadp, c\u00f3 330 ng\u01b0\u1eddi s\u1ed1ng s\u00f3t v\u00e0 140 ng\u01b0\u1eddi cho bi\u1ebft h\u1ecd \u0111\u00e3 tr\u1ea3i qua m\u1ed9t s\u1ed1 nh\u1eadn th\u1ee9c khi \u0111ang \u0111\u01b0\u1ee3c c\u1ee9u s\u1ed1ng l\u1ea1i.
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M\u1eb7c d\u00f9 nhi\u1ec1u ng\u01b0\u1eddi kh\u00f4ng nh\u1edb c\u00e1c chi ti\u1ebft c\u1ee5 th\u1ec3, song v\u1eabn c\u00f3 m\u1ed9t s\u1ed1 \u0111i\u1ec1u \u0111\u00e1ng ch\u00fa \u00fd. 1\/5 nh\u00f3m tr\u00ean n\u00f3i r\u1eb1ng h\u1ecd c\u00f3 c\u1ea3m gi\u00e1c b\u00ecnh an kh\u00e1c th\u01b0\u1eddng trong khi g\u1ea7n 1\/3 c\u1ea3m nh\u1eadn th\u1eddi gian ch\u1eadm l\u1ea1i ho\u1eb7c nhanh h\u01a1n.
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M\u1ed9t s\u1ed1 nh\u1edb l\u1ea1i h\u1ecd \u0111\u00e3 nh\u00ecn th\u1ea5y \u00e1nh s\u00e1ng ch\u00f3i l\u00f3a; v\u1ec7t s\u00e1ng v\u00e0ng ho\u1eb7c \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi. Nh\u1eefng ng\u01b0\u1eddi kh\u00e1c l\u1ea1i k\u1ec3 v\u1ec1 c\u1ea3m gi\u00e1c s\u1ee3 h\u00e3i ho\u1eb7c ch\u1ebft \u0111u\u1ed1i ho\u1eb7c b\u1ecb k\u00e9o qua ch\u1ed7 n\u01b0\u1edbc s\u00e2u. 13% n\u00f3i h\u1ecd c\u1ea3m th\u1ea5y b\u1ecb t\u00e1ch r\u1eddi kh\u1ecfi c\u01a1 th\u1ec3 v\u00e0 m\u1ed9t s\u1ed1 ng\u01b0\u1eddi l\u1ea1i cho bi\u1ebft h\u1ecd c\u1ea3m th\u1ea5y nh\u01b0 c\u01a1 th\u1ec3 bay b\u1ed5ng, n\u00e2ng cao.<\/p>\n

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M\u1ed9t s\u1ed1 ng\u01b0\u1eddi cho bi\u1ebft h\u1ecd \u0111\u00e3 nh\u00ecn th\u1ea5y \u00e1nh s\u00e1ng ch\u00f3i l\u00f3a, v\u1ec7t s\u00e1ng v\u00e0ng ho\u1eb7c \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi v\u00e0o gi\u00e2y ph\u00fat tim \u0111\u00e3 ng\u1eebng \u0111\u1eadp<\/em><\/div>\n

Ti\u1ebfn s\u0129 Parnia tin r\u1eb1ng nhi\u1ec1u ng\u01b0\u1eddi c\u00f3 th\u1ec3 c\u00f3 tr\u1ea3i nghi\u1ec7m khi h\u1ecd \u0111ang c\u1eadn k\u1ec1 c\u00e1i ch\u1ebft song c\u00e1c lo\u1ea1i thu\u1ed1c an th\u1ea7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh h\u1ed3i s\u1ee9c c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n h\u1ecd ghi nh\u1edb c\u00e1c tr\u1ea3i nghi\u1ec7m n\u00e0y.
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Ti\u1ebfn s\u0129 David Wilde, m\u1ed9t nh\u00e0 nghi\u00ean c\u1ee9u t\u00e2m l\u00fd h\u1ecdc v\u00e0 tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Nottingham Trent, \u0111ang thu th\u1eadp d\u1eef li\u1ec7u v\u1ec1 c\u00e1c tr\u1ea3i nghi\u1ec7m khi “h\u1ed3n l\u00eca kh\u1ecfi x\u00e1c”. \u00d4ng hy v\u1ecdng nghi\u00ean c\u1ee9u m\u1edbi nh\u1ea5t s\u1ebd khuy\u1ebfn kh\u00edch c\u00e1c cu\u1ed9c nghi\u00ean c\u1ee9u m\u1edbi v\u1ec1 ch\u1ee7 \u0111\u1ec1 g\u00e2y tranh c\u00e3i n\u00e0y.
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“Ch\u00fang ta kh\u00f4ng bi\u1ebft nh\u1eefng g\u00ec x\u1ea3y ra v\u1edbi c\u00e1i ch\u1ebft. Hy v\u1ecdng nghi\u00ean c\u1ee9u n\u00e0y s\u1ebd gi\u00fap chi\u1ebfu m\u1ed9t \u1ed1ng k\u00ednh khoa h\u1ecdc v\u00e0o b\u00ed \u1ea9n \u0111\u00f3”, \u00f4ng n\u00f3i.
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Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng g\u00ec c\u00e1c nh\u00e0 khoa h\u1ecdc Anh ghi nh\u1eadn \u0111\u01b0\u1ee3c. C\u00f2n b\u1ea1n c\u00f3 tin r\u1eb1ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng “h\u1ed3n l\u00eca kh\u1ecfi x\u00e1c kh\u00f4ng”?<\/p>\n

Ho\u00e0ng Lan<\/strong>
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Theo Telegraph<\/em><\/div>\n<\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc thu\u1ed9c \u0110\u1ea1i h\u1ecdc Southampton (Anh) \u0111\u00e3 ph\u00e1t hi\u1ec7n ra d\u1ea5u hi\u1ec7u cho th\u1ea5y con ng\u01b0\u1eddi c\u00f3 th\u1ec3 nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c \u00edt nh\u1ea5t l\u00e0 v\u00e0i ph\u00fat sau khi ch\u1ebft l\u00e2m s\u00e0ng – \u0111i\u1ec1u m\u00e0 tr\u01b0\u1edbc nay v\u1eabn cho r\u1eb1ng kh\u00f4ng th\u1ec3. Ch\u1ebft l\u00e0 k\u1ebft qu\u1ea3 kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi c\u1ee7a s\u1ef1 s\u1ed1ng, …<\/p>\n","protected":false},"author":1,"featured_media":8686,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1063],"tags":[1274,1168,962],"class_list":["post-8599","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-luan-hoi","tag-sau-cai-chet","tag-su-song","tag-thuyet-tien-hoa"],"_links":{"self":[{"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/posts\/8599","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/comments?post=8599"}],"version-history":[{"count":0,"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/posts\/8599\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/media\/8686"}],"wp:attachment":[{"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/media?parent=8599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/categories?post=8599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/tags?post=8599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}