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Temporary electrical cardiac pacing in the conditions of air medical service was used in 183 patients with myocardial infarction complicated with life threatening disturbances of cardiac rhythm and conduction. Immediate results of treatment, complications, and causes of lethal outcomes are presented. Two groups of patients were distinguished: in which traditional and improved by authors methods of temporary electrical pacing were employed. It was established that the use in urgent situations of improved techniques of control of endocardial electrode position, transesophageal, cutaneous, and atrial dependent endocardial ventricular electrical pacing allowed to decrease number of complications 2.6 times, and to lower mortality in acute period of myocardial infarction by 12.8%.

Criteria of selection of a type of protection against paroxysmal supraventricular tachycardia were studied in 38 patients with permanent dual-chamber cardiac pacing. Three types of protection were distinguished. Criteria for their selection were presence of "pacemaker syndrome", state of chronotropic function of the heart, frequency of attacks of supraventricular tachycardia, results of modeling of pathological atrial activity. During follow-up after programming of optimal type of protection of dual-chamber pacing (mean duration 5.1 years) chronic supraventricular tachycardia developed in 13.5% of patients, survival was 89.2%.