HeartsoundS1S2

Thesecondheartsound(S2)representsclosureofthesemilunar(aorticandpulmonary)valves(pointd).S2isnormallysplitbecausetheaorticvalve(A2) ...,2017年7月7日—Thesecondheartsound(S2)representsclosureofthesemilunar(aorticandpulmonary)valves(pointd).S2isnormallysplitbecausetheaortic ...,Thesearethefirstheartsound(S1)andsecondheartsound(S2),producedbytheclosingoftheatrioventricularvalvesandsemilunarvalves,...

參考資訊如下
Cardiac Cycle

The second heart sound (S2) represents closure of the semilunar (aortic and pulmonary) valves (point d). S2 is normally split because the aortic valve (A2) ...

Cardiology

2017年7月7日 — The second heart sound (S2) represents closure of the semilunar (aortic and pulmonary) valves (point d). S2 is normally split because the aortic ...

Heart sounds

These are the first heart sound (S1) and second heart sound (S2), produced by the closing of the atrioventricular valves and semilunar valves, respectively. In ...

Heart Sounds Topic Review | Learn the Heart

The main normal heart sounds are the S1 and the S2 heart sound. The S3 can be normal, at times, but may be pathologic. A S4 heart sound is almost always ...

Lub Dub (S1 & S2) Heart Sounds Anatomy Explained in 30 ...

Physiology, Heart Sounds - StatPearls

由 S Dornbush 著作 · 2022 · 被引用 15 次 — Heart sounds are created from blood flowing through the heart chambers as the cardiac valves open and close during the cardiac cycle. Vibrations ...

S1 and S2 Heart Sounds, Extra Heart Sounds

2021年1月26日 — S2 heart sound corresponds to the closing of the aortic and pulmonary valves at the beginning of diastole. S2 may be subdivided into aortic (A2) ...