murmur right upper sternal border systolic heard clearest left lateral recumbent position at end of expiration
murmur right upper sternal border systolic heard clearest left lateral recumbent position at end of expiration
murmur right upper sternal border systolic heard clearest left lateral recumbent position at end of expiration
murmur right upper sternal border systolic heard clearest left lateral recumbent position at end of expiration