There is no substitute for a quiet room.

Respiration must be suspended
while one is listening.

Loudness is the subjective aspect of sound.

At the base of the heart,
the second sound
is louder than the first.

The term gallop is no longer of value.

A thrill is a palpable manifestation of a murmur.

Vibrations are produced downstream.

The farther the sound has
to travel
through the chest wall

the fainter the sound will be.