Ejection murmurs begin after S1 and are usually crescendo-decrescendo (diamond-shaped'), ending before S2.
Ejection murmurs begin after S1 and are usually crescendo-decrescendo (diamond-shaped'), ending before S2.
喷射音始于S1后，通常有渐强-渐弱特征，并于S2前结束。
Ejection murmurs begin after S1 and are usually crescendo-decrescendo (diamond-shaped'), ending before S2.
喷射音始于S1后，通常有渐强-渐弱特征，并于S2前结束。