Lub suab s4 lub plawv qhia li cas?
Lub suab s4 lub plawv qhia li cas?

Video: Lub suab s4 lub plawv qhia li cas?

Video: Lub suab s4 lub plawv qhia li cas?
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Qhov plaub lub plawv suab yog tsim los ntawm kev nce hauv qhov txhav ntawm sab laug ventricle vim muaj qhov caws pliav. Qhov no tej zaum yuav yog ib qho kev tshwm sim ntawm coronary plawv kab mob. Ib tug plaub lub plawv suab kuj tuaj yeem tshwm sim los ntawm cov phab ntsa sab laug ventricular tuab heev xws li nrog qhov tseem ceeb kub siab lossis aortic stenosis.

Ib sab ntawm qhov no, dab tsi ua rau lub plawv thib 3 thiab 4 hnov?

Qhov tseeb genesis ntawm lub thib peb lub suab muaj teeb meem tab sis xav tias yog qhov tshwm sim ntawm kev sib cuam tshuam ntawm cov ntshav thiab phab ntsa ventricular thaum lub sij hawm ventricular filling.

Ib sab saum toj no, s4 lub plawv suab zoo li cas? Qhov plaub lub plawv suab ( S4 ), tseem hu ua "atrial gallop," tshwm sim ua ntej S1 thaum lub atria cog lus yuam cov ntshav mus rau sab laug ventricle. A S4 lub plawv suab tuaj yeem yog ib qho tseem ceeb ntawm diastolic plawv tsis ua haujlwm lossis ua haujlwm ischemia thiab tsis tshua muaj li qub nrhiav.

Tib neeg kuj nug, lub suab s4 txhais li cas?

Plaub lub plawv suab yog low-pitched suab coincident nrog lig diastolic txhaws ntawm lub ventricle vim atrial contraction. Txawm hais tias nws tseem hu ua atrial suab , thiab nws cov ntau lawm yuav tsum muaj kev ua haujlwm atrial contraction, plaub lub plawv suab yog lub qhov tshwm sim ntawm kev co tsim tawm hauv lub ventricle.

Lub suab s3 lub plawv qhia li cas?

Ib feem peb lub plawv suab tshwm sim thaum ntxov hauv diastole. Hauv cov tub ntxhais hluas thiab cov neeg ncaws pob nws yog qhov tshwm sim ib txwm muaj. Hauv cov neeg laus dua nws qhia lub xub ntiag ntawm congestive plawv tsis ua hauj lwm. Qhov thib peb lub plawv suab yog tshwm sim los ntawm ib tug cia li deceleration ntawm cov ntshav ntws mus rau sab laug ventricle los ntawm sab laug atrium.

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