<\/span><\/h3>\nKhi \u0103n th\u1ecbt tr\u00e2u g\u00e1c b\u1ebfp s\u1ebd c\u1ea3m th\u1ea5y v\u1ecb th\u01a1m \u0111\u1eb7c tr\u01b0ng c\u1ee7a kh\u00f3i \u00e1m l\u00e2u ng\u00e0y, v\u00e0 v\u1ecb dai ng\u1ecdt \u0111\u1eb7c tr\u01b0ng c\u1ee7a th\u1ecbt tr\u00e2u. Th\u1ecbt tr\u00e2u g\u00e1c b\u1ebfp c\u00f3 m\u00f9i t\u1ecfi \u0111\u1eb7c tr\u01b0ng. C\u00e1c c\u1ee5 c\u00f3 c\u00e2u: Tr\u00e2u t\u1ecfi, b\u00f2 g\u1eebng. Th\u1ecbt tr\u00e2u s\u1ebd c\u00f3 m\u00f9i m\u1eafc kh\u00e9n, h\u1ea1t d\u1ed5i, n\u1eb7ng m\u00f9i t\u1ecfi, c\u00f2n th\u1ecbt b\u00f2 g\u00e1c b\u1ebfp th\u00ec s\u1ebd c\u00f3 nhi\u1ec1u m\u00f9i g\u1eebng h\u01a1n. Th\u1ecbt b\u00f2 th\u00ec kh\u00f4ng c\u00f3 m\u00f9i \u0111\u1eb7c tr\u01b0ng nh\u01b0 th\u1ecbt tr\u00e2u n\u00ean kh\u00f4ng kh\u00f3 \u0111\u1ec3 c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa th\u1ecbt tr\u00e2u v\u00e0 th\u1ecbt l\u1ee3n.<\/p>\n
Th\u1ecbt tr\u00e2u \u0111\u01b0\u1ee3c c\u1eaft th\u00e0nh t\u1eebng mi\u1ebfng d\u1eb9t, d\u1ecdc theo th\u1edb th\u1ecbt kho\u1ea3ng m\u1ed9t gang tay. Th\u1ecbt tr\u00e2u sau khi s\u1ea5y r\u1ea5t c\u1ee9ng v\u00e0 d\u00e0y, v\u00ec th\u1ebf \u0111\u1ec3 d\u00f9ng \u0111\u01b0\u1ee3c m\u00f3n th\u1ecbt tr\u00e2u kh\u00f4, tr\u01b0\u1edbc khi \u0103n, ng\u01b0\u1eddi d\u00f9ng s\u1ebd ph\u1ea3i l\u1ea5y b\u00faa, ch\u00e0y \u0111\u1ec3 d\u1ea7n (\u0111\u1eadp) m\u1ec1m th\u1ecbt ra, n\u1ebfu l\u00e0 th\u1ecbt tr\u00e2u th\u00ec mi\u1ebfng th\u1ecbt s\u1ebd gi\u00e3n \u0111\u1ec1u ra, c\u00f2n n\u1ebfu l\u00e0 th\u1ecbt l\u1ee3n mi\u1ebfng th\u1ecbt s\u1ebd v\u1ee5n n\u00e1t<\/p>\n