<unk>  is a condition where the<unk>  (the area of the chest over the heart) moves too much (is<unk>  due to some pathology of the heart. This problem can be hypertrophy of the ventricles, tachycardia, or some other heart problem.<unk>  can also be due to hyperthyroidism, and thus indicates an increased cardiac contractility, with systolic hypertension. It may also be due to aortic coarctation, and most other congenital heart malformations. Palpation of the chest wall can be done to assess volume changes within the heart. A<unk>  reflects a large volume change.
Hyperdynamic precordium
Pulsus alternans
Electrical alternans
Precordial thump
Ventricular escape beat
Pulseless electrical activity
T wave alternans
Right axis deviation