[On the subject of prolonged electrical stimulation of the heart: tissue changes in the area of the myocardial electrode].
D004558:Electric Stimulation; D006321:Heart; D006801:Humans; D009206:Myocardium; D010138:Pacemaker, Artificial; D012214:Rheumatic Heart Disease
PACEMAKER, ARTIFICIAL; RHEUMATIC HEART DISEASE