murmur right upper sternal border systolic heard clearest with patient sitting and leaning forward at end of expiration
murmur right upper sternal border systolic heard clearest with patient sitting and leaning forward at end of expiration
murmur right upper sternal border systolic heard clearest with patient sitting and leaning forward at end of expiration
murmur right upper sternal border systolic heard clearest with patient sitting and leaning forward at end of expiration