all are true about s1 except
CHARACTERISTICS OF S1 Normally heard as fused single hea sound Medium to High Frequency Low Pitched Best heard with diaphragm M1 louder than T1 M1 best heard at apex T1 best heard at Left LSB Splitting can be heard in Expiration and L-LSB ref : harrisons 21st ed
lower frequency than s2
caused by closure of mitral valve
heard at the end of ventricular systole
better heard with diaphragm of stethescope
All India exam