A Study of Thirty-Nine Cases of Auricular Fibrillation

There were 39 cases of auricular fibrillation in this series*. Only cases diagnosed by electrocardiograms are included. Other cases are eliminated. Age.?The youngest patient was a boy of 19 years who was admitted with mitral endocarditis and auricular fibrillation. He died in the hospital. The oldest patient was a man of 60 years with senile myocarditis. The majority of patients were between 30 and 45 years. Sex.?There were 7 females and 32 males. Irregularity ?Altogether 84 electrocardiograms were taken. In 24 cases, only one electrocardiogram was taken in each, 22 showing auricular fibrillation alone, and 2 showing auricular fibrillation with ventricular premature contractions. In the remaining 15 patients, more than one electrocardiogram was taken at different intervals. Of these, 4 showed persistent auricular fibrillation with persistent ventrfcular