Symptoms of congestive heart failure: Fatigue due to low cardiac output, breathlessness due to pulmonary congestion, swelling of feet due to excess fluid.
Supraventricular tachycardia (SVT) is a fast regular heart rhythm originating above the ventricles, usually in the atrioventricular node or in the atrium.
Signs of blood clots in the leg: Clot in artery - pain, pallor, coldness, loss of sensation and paralysis. Clot in vein - pain, swelling and bluish colour.
Cardiovascular benefits of exercise: Exercise keeps you fit and reduces cardiovascular risk. Blood pressure and cholesterol come down with regular exercise.