Variation in pacing threshold. A study in patients with external pacemaker and unipolar endocardial electrode.
D000208:Acute Disease; D002908:Chronic Disease; D004558:Electric Stimulation; D004566:Electrodes; D006327:Heart Block / Q000628:therapy*; D006801:Humans; D009203:Myocardial Infarction / Q000628:therapy*; D010138:Pacemaker, Artificial