(1) Congestive heart failure was found in 3.65% of total medical admissions and in 24.0% of total cardiovascular patients. There was no difference between two sexes and incidence was peak in the 6th decade.

(2) Rheumatic heart disease was the most common cause of congestive heart failure (41.0%). Hypertensive and/or atherosclerotic heart disease (36.5%), cor pulmonary (6.6%), postpartum heart failure (5.3%), pericardial disease (3.6%), thyrotoxic heart disease (2.0%) and congenital heart disease (0.6%) were the etiologies of the remainder. In male hypertensive and/or atherosclerotic heart disease was most common cause of congestive heart failure.

(3) The precipitating factors of congestive heart failure were found in 31% and infection, pregnancy, discontinuation of digitalis and physical exertion were major causes.

(4) Dyspnea, cervical vein distension, pulmonary rale, hepatomegaly and cardiac murmur were important symptoms and signs on admission.

(5) Peripheral venous pressure was elevated in 883.2% and circulation time was prolonged in 90.9%.

(6) Leucocytosis (39.8%) albuminuria (60.2%), elevated GOT (serum glntamin oxaloacetic transaminase) (12.0%) and azotemia (50%) were observed.

(7) Chest X-ray on admission revealed increased vascularity including pulmonary edema (88.8%), cardiomegaly (83.3%) and hydrothorax (27.1%).

(8) Electrocardiographic findings was abnormal in 99.4% and left ventricular hypertnophy (45.7%), atrial fibrillation (27.3%), Right ventricular hypertrophy and low voltage were frequently observed.