{"id":1219,"date":"2024-01-30T15:42:32","date_gmt":"2024-01-30T15:42:32","guid":{"rendered":"https:\/\/blog.ngocha.biz\/?p=1219"},"modified":"2026-05-27T18:23:42","modified_gmt":"2026-05-27T18:23:42","slug":"su-thay-doi-nhip-tim-hrv-la-gi","status":"publish","type":"post","link":"https:\/\/blog.ngocha.biz\/?p=1219","title":{"rendered":"S\u1ef1 thay \u0111\u1ed5i nh\u1ecbp tim HRV l\u00e0 g\u00ec?"},"content":{"rendered":"

Ng\u00e0y nay con ng\u01b0\u1eddi ng\u00e0y c\u00e0ng quan t\u00e2m t\u1edbi s\u1ee9c kh\u1ecfe h\u01a1n, \u0111\u1ed3ng th\u1eddi v\u1edbi \u0111\u00f3 c\u00f4ng ngh\u1ec7 ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n h\u01a1n \u0111\u1ec3 \u0111o \u0111\u01b0\u1ee3c c\u00e1c ch\u1ec9 s\u1ed1 s\u1ee9c kh\u1ecfe m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng b\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb \u0111eo tay nh\u01b0 \u0111\u1ed3ng h\u1ed3. C\u00f3 c\u00e1c ch\u1ec9 s\u1ed1 ta \u0111\u00e3 bi\u1ebft nh\u01b0 nh\u1ecbp tim, ch\u1ec9 s\u1ed1 Oxy trong m\u00e1u SPO2 v\u00e0 c\u0169ng c\u00f3 c\u00e1c ch\u1ec9 s\u1ed1 kh\u00e1c kh\u00f3 hi\u1ec3u nh\u01b0 HRV, Vo2max. \u0110\u1ed3ng h\u1ed3 s\u1ebd \u0111o c\u00e1c ch\u1ec9 s\u1ed1 n\u00e0y theo th\u1eddi gian th\u1ef1c c\u00f9ng v\u1edbi vi\u1ec7c v\u1eadn \u0111\u1ed9ng c\u1ee7a ta khi th\u1ee9c hay ng\u1ee7 \u0111\u1ec3 \u0111\u01b0a ra c\u00e1c ch\u1ec9 s\u1ed1 t\u1ed5ng h\u1ee3p nh\u01b0 Ch\u1ea5t l\u01b0\u1ee3ng gi\u1ea5c ng\u1ee7, n\u0103ng ti\u00eau hao…<\/p>\n

HRV l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 trong y khoa \u0111\u00e3 c\u00f3 t\u1eeb l\u00e2u nh\u01b0ng d\u1ea1o g\u1ea7n \u0111\u00e2y m\u1edbi xu\u1ea5t hi\u1ec7n tr\u00ean c\u00e1c \u0111\u1ed3ng h\u1ed3 c\u1ee7a Garmin, Coros, Apple. S\u1ee9c kh\u1ecfe c\u1ee7a tim gi\u1edd ngo\u00e0i vi\u1ec7c \u0111\u00e1nh gi\u00e1 th\u00f4ng qua nh\u1ecbp tim khi ngh\u1ec9, nh\u1ecbp tim t\u1ed1i \u0111a, ch\u1ec9 s\u1ed1 Vo2max th\u00ec gi\u1edd c\u00f2n c\u00f3 th\u1ec3 th\u00f4ng qua ch\u1ec9 s\u1ed1 HRV.<\/p>\n

HRV \u0111\u01b0\u1ee3c hi\u1ec3u nh\u01b0 sau: Gi\u1ea3 s\u1eed v\u00e0o l\u00fac 9h00 b\u1ea1n \u0111o \u0111\u01b0\u1ee3c nh\u1ecbp tim c\u1ee7a m\u00ecnh l\u00e0 60 nh\u1ecbp\/ph\u00fat. \u0110i\u1ec1u n\u00e0y kh\u00f4ng c\u00f3 ngh\u0129a v\u00e0o l\u00fac 9h01 b\u1ea1n c\u0169ng \u0111o \u0111\u01b0\u1ee3c 60 nh\u1ecbp\/ph\u00fat. Nh\u1ecbp tim s\u1ebd thay \u0111\u1ed5i t\u00f9y theo tr\u1ea1ng thai c\u01a1 th\u1ec3 c\u1ee7a b\u1ea1n; ngay c\u1ea3 khi b\u1ea1n ng\u1ed3i im ho\u00e0n to\u00e0n th\u00ec s\u1ed1 nh\u1ecbp tim v\u1eabn c\u1ee9 thay \u0111\u1ed5i theo t\u1eebng ph\u00fat.<\/p>\n

M\u1eaft kh\u00e1c, trong kho\u1ea3ng 60 gi\u00e2y b\u1ea1n \u0111o \u0111\u01b0\u1ee3c 60 nh\u1ecbp\/ph\u00fat th\u00ec nh\u1ecbp tim c\u0169ng kh\u00f4ng \u0111\u1eadp \u0111\u1ec1u m\u1ed7i gi\u00e2y m\u1ed9t nh\u1ecbp m\u00e0 l\u00fac nhanh l\u00fac ch\u1eadm. S\u1ef1 thay \u0111\u1ed5i th\u1eddi gian gi\u1eefa c\u00e1c nh\u1ecbp tim l\u00e0 ch\u1ec9 s\u1ed1 HRV<\/p>\n

\"\"<\/p>\n

V\u00ed d\u1ee5 nh\u01b0 \u1edf tr\u00ean th\u1eddi gian thay \u0111\u1ed5i gi\u1eefa nh\u1ecbp 1-2 v\u00e0 2-3 l\u00e0 859-793=63ms; gi\u1eefa 2-3 v\u00e0 3-4 l\u00e0 793-726=67ms.<\/p>\n

Tr\u00e1i v\u1edbi suy ngh\u0129 th\u00f4ng th\u01b0\u1eddng l\u00e0 m\u1ed9t tr\u00e1i tim \u0111\u1eadp \u0111\u1ec1u th\u00ec s\u1ebd t\u1ed1t h\u01a1n m\u1ed9t tr\u00e1i tim l\u00fac nhanh l\u00fac ch\u1eadm, hrv cao l\u1ea1i t\u1ed1t h\u01a1n l\u00e0 hrv th\u1ea5p. HRV cao s\u1ebd th\u1ec3 hi\u1ec7n r\u1eb1ng tim thay \u0111\u1ed5i linh ho\u1ea1t th\u00edch nghi v\u1edbi b\u00ean ngo\u00e0i t\u1ed1t h\u01a1n. HRV th\u1ea5p th\u1ec3 hi\u1ec7n s\u1ef1 k\u00e9m linh ho\u1ea1t, ch\u1eadm thay \u0111\u1ed5i v\u1edbi s\u1ef1 thay \u0111\u1ed5i b\u00ean ngo\u00e0i.<\/p>\n

Nh\u1ecbp tim khi ngh\u1ec9 cao th\u00ec \u0111\u1ed3ng ngh\u0129a hrv s\u1ebd th\u1ea5p v\u00ec kho\u1ea3ng th\u1eddi gian gi\u1eefa c\u00e1c nh\u1ecbp \u0111\u1eadp th\u1ea5p n\u00ean s\u1ef1 thay \u0111\u1ed5i c\u0169ng s\u1ebd th\u1ea5p theo. Ng\u01b0\u1ee3c l\u1ea1i nh\u1ecbp tim khi ngh\u1ec9 th\u1ea5p th\u00ec kho\u1ea3ng c\u00e1ch gi\u1eefa m\u1ed7i nh\u1ecbp \u0111\u1eadp d\u00e0i d\u1eabn t\u1edbi HRV c\u0169ng c\u00f3 c\u01a1 h\u1ed9i \u0111\u1ec3 cao h\u01a1n.<\/p>\n

\u1ede g\u00f3c \u0111\u1ed9 khoa h\u1ecdc th\u00ec HRV cao t\u1ea1i sao l\u1ea1i t\u1ed1t \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch nh\u01b0 sau: Tim c\u1ee7a ch\u00fang ta \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi h\u1ec7 th\u1ea7n kinh t\u1ef1 ch\u1ee7 (ANS) bao g\u1ed3m hai nh\u00e1nh l\u00e0 Nh\u00e1nh giao c\u1ea3m v\u00e0 Nh\u00e1nh ph\u00f3 giao c\u1ea3m. Nh\u00e1nh giao c\u1ea3m ho\u1ea1t \u0111\u1ed9ng khi ch\u00fang ta b\u1ecb c\u0103ng th\u1eb3ng khi ph\u1ea3i \u0111\u1ed1i ph\u00f3 v\u1edbi m\u1ed9t vi\u1ec7c n\u00e0o \u0111\u00f3 (b\u1eb1ng suy ngh\u0129 hay h\u00e0nh \u0111\u1ed9ng). Nh\u1ecbp tim l\u00fac n\u00e0y t\u0103ng l\u00ean d\u1eabn t\u1edbi HRV th\u1ea5p \u0111i. Nh\u00e1nh ph\u00f3 giao c\u1ea3m ho\u1ea1t \u0111\u1ed9ng khi ch\u00fang ta th\u01b0 gi\u00e3n, \u1edf ch\u1ebf \u0111\u1ed9 nay nh\u1ecbp tim \u0111\u1eadp ch\u1eadm h\u01a1n d\u1eabn t\u1edbi HRV cao. -> HRV cao \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c tim b\u1ea1n ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n b\u1edfi nh\u00e1nh ph\u00f3 giao c\u1ea3m nhi\u1ec1u h\u01a1n nh\u00e1nh giao c\u1ea3m -> B\u1ea1n \u00edt c\u0103ng th\u1eb3ng h\u01a1n -> hrv cao l\u00e0 t\u1ed1t. Ch\u00fa \u00fd l\u00e0 nh\u1ecbp tim cao hay th\u1ea5p ch\u1ec9 l\u00e0 m\u1ed9t t\u00e1c nh\u00e2n \u0111\u1eabn t\u1edbi HRV cao hay th\u1ea5p.<\/p>\n

HRV bao nhi\u00eau l\u00e0 t\u1ed1t?<\/strong><\/p>\n

HRV t\u1ea5t nhi\u00ean l\u00e0 \u0111o chu\u1ea9n nh\u1ea5t b\u1edfi m\u00e1y \u0111i\u1ec7n t\u00e2m \u0111\u1ed3. Th\u1eddi gian \u0111o c\u00e0ng d\u00e0i th\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u00e0ng cao. C\u00f2n v\u1edbi \u0111\u1ed3ng h\u1ed3 th\u00ec hi\u1ec7n n\u00f3 \u0111\u01b0\u1ee3c \u0111o b\u1edfi hai c\u00e1ch sau (v\u00e0 d\u1eabn t\u1edbi k\u1ebft qu\u1ea3 c\u0169ng kh\u00e1c nhau)<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p \u0111o RMSSD<\/span><\/strong><\/p>\n

V\u00ed d\u1ee5 kho\u1ea3ng c\u00e1ch gi\u1eefa nh\u1ecbp 1-2 l\u00e0 a; kho\u1ea3ng c\u00e1ch gi\u1eefa nh\u1ecbp 2-3 l\u00e0 b th\u00ec HRV b\u1eb1ng c\u0103n b\u1eadc hai c\u1ee7a t\u1ed5ng b\u00ecnh ph\u01b0\u01a1ng a v\u00e0 b chia hai. Ph\u01b0\u01a1ng n\u00e0y n\u00e0y \u01b0u \u0111i\u1ec3m l\u00e0 c\u00f3 th\u1ec3 \u0111o theo th\u1eddi gian th\u1ef1c ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ng\u01b0\u1eddi theo \u0111u\u1ed5i c\u00e1c m\u00f4n th\u1ec3 thao c\u01b0\u1eddng \u0111\u1ed9 cao. Tr\u1eeb \u0111\u1ed3ng h\u1ed3 c\u1ee7a Apple th\u00ec c\u00e1c \u0111\u1ed3ng h\u1ed3 c\u1ee7a h\u00e3ng kh\u00e1c nh\u01b0 Garmin, Coros \u0111\u1ec1u d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p \u0111o n\u00e0y.<\/p>\n

Ng\u01b0\u1eddi tr\u01b0\u1eddng th\u00e0nh kh\u1ecfe m\u1ea1nh s\u1ebd trong kho\u1ea3ng t\u1eeb 19-48. V\u1eadn \u0111\u1ed9ng vi\u00ean chuy\u00ean nghi\u1ec7p t\u1eeb 35 t\u1edbi 107. V\u00ec HRV li\u00ean quan m\u1eadt thi\u1ebft t\u1edbi nh\u1ecbp tim n\u00ean m\u1ed9t hrv cao h\u01a1n 107 c\u00f3 ngh\u0129a l\u00e0 nh\u1ecbp tim \u0111ang \u0111\u1eadp qu\u00e1 th\u1ea5p, v\u00ec v\u1eady hrv cao th\u00ec c\u0169ng ch\u1ec9 \u0111\u1ebfn m\u1ed9t m\u1ee9c nh\u1ea5t \u0111\u1ecbnh n\u00e0o \u0111\u00f3. HRV n\u1eb1m ngo\u00e0i kho\u1ea3ng 19 t\u1edbi 107 th\u00ec l\u00e0 d\u1ea5u hi\u1ec7u b\u1ea1n \u0111ang c\u00f3 v\u1ea5n \u0111\u1ec1 s\u1ee9c kh\u1ecfe n\u00e0o \u0111\u00f3.<\/p>\n

\"\"<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p \u0111o<\/strong> SDNN<\/strong><\/span><\/p>\n

\u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111o ch\u00ednh v\u00e0 \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi \u0111\u1ed3ng h\u1ed3 Apple. N\u00f3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch chia 24 gi\u1edd ra th\u00e0nh 288 ph\u00e2n \u0111o\u1ea1n 5 ph\u00fat; sau \u0111\u00f3 n\u00f3 t\u00ednh trung b\u00ecnh l\u1ec7ch chu\u1ea9n c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c kho\u1ea3ng nh\u1ecbp tim trong m\u1ed7i ph\u00e2n \u0111o\u1ea1n 5 ph\u00fat \u0111\u00f3. C\u1ed9ng to\u00e0n b\u1ed9 \u0111\u1ed9 l\u1ec7ch chia 288 th\u00ec ra gi\u00e1 tr\u1ecb HRV trung b\u00ecnh c\u1ee7a 24 gi\u1edd.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p t\u00ednh n\u00e0y cho ra gi\u00e1 tr\u1ecb cao h\u01a1n so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p t\u00ednh rMSSD \u1edf tr\u00ean. M\u1ee9c tr\u00ean 100ms \u0111\u01b0\u1ee3c coi l\u00e0 t\u1ed1t. D\u01b0\u1edbi 50ms l\u00e0 x\u1ea5u, ng\u01b0\u1eddi tr\u00ean 100ms c\u00f3 kh\u1ea3 n\u0103ng t\u1eed vong do b\u1ec7nh v\u1ec1 tim th\u1ea5p h\u01a1n 5,3 l\u1ea7n so v\u1edbi ng\u01b0\u1eddi c\u00f3 ch\u1ec9 s\u1ed1 d\u01b0\u1edbi 50ms. T\u1eeb 50ms t\u1edbi 100ms l\u00e0 c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1ec1 s\u1ee9c kh\u1ecfe.<\/p>\n

\"\"<\/p>\n

Nh\u01b0 v\u1eady c\u00f9ng m\u1ed9t ng\u01b0\u1eddi, n\u1ebfu d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau th\u00ec cho ra k\u1ebft qu\u1ea3 kh\u00e1c nhau. N\u1ebfu b\u1ea1n d\u00f9ng \u0111\u1ed3ng h\u1ed3 Garmin th\u00ec ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u1ea3 rMSSD v\u00ec v\u1eady s\u1ed1 \u0111o s\u1ebd th\u1ea5p loanh quanh 35ms, b\u1ea1n kh\u00f4ng th\u1ec3 \u00e1p d\u1ee5ng theo c\u00f4ng th\u1ee9c tr\u00ean 100ms l\u00e0 kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 c\u1ee7a\u00a0 ph\u01b0\u01a1ng ph\u00e1p SDNN \u0111\u01b0\u1ee3c.<\/p>\n

\u0110\u00e2y l\u00e0 hai ph\u01b0\u01a1ng ph\u00e1p \u0111o ch\u00ednh, c\u00f9ng l\u00e0 \u0111o ch\u1ec9 s\u1ed1 HRV nh\u01b0ng c\u00f3 th\u1ec3 nh\u1eb1m v\u00e0o c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau v\u00ec v\u1eady n\u00f3 v\u1eabn t\u1ed3n t\u1ea1i song song v\u1edbi nhau.<\/p>\n

\n

Ngu\u1ed3n:<\/strong> S\u1ef1 thay \u0111\u1ed5i nh\u1ecbp tim HRV l\u00e0 g\u00ec? \u2014 chienluocsong.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Source: https:\/\/chienluocsong.com\/su-thay-doi-nhip-tim-hrv-la-gi\/<\/p>\n","protected":false},"author":1,"featured_media":1220,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-1219","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chienluocsong"],"_links":{"self":[{"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/posts\/1219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1219"}],"version-history":[{"count":1,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/posts\/1219\/revisions"}],"predecessor-version":[{"id":1497,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/posts\/1219\/revisions\/1497"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/media\/1220"}],"wp:attachment":[{"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}