This causes a vasodilation and lower resting blood pressure. Angina pectoris, coronary artery spasm, arrhythmias, hypertension. Same as rest, may increase exercise capacity. Improves myocardial contraction by altering the calcium utilization of the myocardial cell. Congestive Heart Failure, Atrial fibrillation, atrial flutter.
Most diuretics alter renal function, causing an increase in the excretion of fluid.
Calcium supplement may also be necessary. May decrease BP, may effect CHF patients. May induce arrhythmias. Increase HR, increase BP, may increase ischemia.