the therapeutic role of chronic cardiac pacing in cardiology has significantly altered for two fundamental reasons : a ) on the one hand , there has been a widespread increase in the indications for cardiac stimulation , and consequently , today , approximately 50 % of the patients with pacing do not suffer from advanced atrioventricular ( a-v ) block or syncopal attacks , but are frequently suffering from other pathological conditions : episodes of paroxysmal arrhythmia , atrial disease , depression of the habitual pacemaker by drugs or in the course of cardiomyopathy ;
C0030660
pathological conditions
C0012634
disease