the mortality rate was high at 3 months in patients with one or more arrhythmias ( atrioventricular block grade 2 , complete heart block , bundle branch block , atrial fibrillation , premature ventricular contractions , ventricular tachycardia ) detected by conventional methods during the first 48 hours after admission .
C0003811
arrhythmias
C0151517
complete heart block