including ventricular tachycardia, ventricular fibrillation and congestive heart failure – New York Heart Association (NYHA) Classification IV. The subjects were 214 outpatients over 20 years of age and were able to communicate in Korean.
includingventricular tachycardia, ventricular fibrillation and congestiveheart failure – New York Heart Association (NYHA)Classification IV. The subjects were 214 outpatients over20 years of age and were able to communicate in Korean.