arrhythmias that may be due to disorders of impulse formation include slow atrial , junctional , and ventricular escape rhythms , certain types of atrial tachycardias ( such as those produced by digitalis ) , accelerated junctional ( nonparoxysmal junctional tachycardia ) and idioventricular rhythms , and parasystole .
C0003811
arrhythmias
C0206068
parasystole