Austin Flint Murmur
A heart murmur that is loudest in diastole and associated with a third heart sound. It is a sign of aortic regurgitation, which allows retrograde filling and rapid rise in left intraventricular pressure
Cardiac
Atrial Septum
The septum (partition or wall) between the two atriums.
Atrial Tachycardia
A type of arrhythmia that begins in the heart’s upper chambers (the atria) and causes a very fast heart rate of 160 to 200 beats a minute. A resting heart rate is normally 60 to 100 beats a minute