1.S4.The fourth heart sound (S4, atrial gallop, presystolic gallop) is also the result of altered ventricular compliance.Its cadence has been likened to the soft a of appendix.
S4第四心音,又叫房,收缩期前,也是心室顺应改变结果。
2.S4第四心音,又叫房,收缩期前,也是心室顺应改变结果。
S4.The fourth heart sound (S4, atrial gallop, presystolic gallop) is also the result of altered ventricular compliance.Its cadence has been likened to the soft a of appendix.