Premature systoles with myocardial injury produced by exercise test.
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چکیده
منابع مشابه
Effects of propranolol on patients with complete heart block and implanted pacemakers.
The effects of beta-adrenergic blockade with propranolol were studied in 10 patients with complete heart block and fixed rate internal pacemakers. The patients were grouped according to the absence or presence of premature systoles before propranolol was given. In the patients with premature systoles propranolol was uniformly effective in abolishing the premature systoles. Propranolol was found...
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• Ventricular premature beats represent the commonest arrhythmias in man. Such beats are often present, both in heart disease and in the normal heart, although they occur more frequently in persons with diseased hearts. Because the anatomical site of origin and the direction of spread of premature ventricular systoles cannot be determined on clinical grounds, it is generally agreed that such co...
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LIGATION of the anterior descending artery of the dog's heart by a standard technic produces ectopic ventricular tachycardia after a delay of four and onie-half to eight hours. Untreated, the tachycardia continues two to four days and there may be some ectopic beats on the fifth day. This persistent ectopic ventricular tachycardia that develops with myocardial infarction is difficult to suppres...
متن کاملPremature Systoles Originating in the Sino-auricular Node.
Premature systoles arising in the sino-auricular node are characterized in the electrocardiogram by premature P waves that are identical in contour with other sinus P waves and by the absence of a prolongation of the returning cycle. Actually the returning cycle may be shorter than the normal cycle because of prolonged sino-auricular conduction of the premature beat (Wenckebach, 1908). Accordin...
متن کاملMyocardial perfusion scan accuracy in detection of coronary artery disease - Comparison with exercise stress test [Persian]
Introduction: In patients with coronary artery disease (CAD) noninvasive evaluation for detection of ischemia is important to avoid invasive interventions like angiography. Exercise stress test is conventionally the first study used in evaluation of CAD. Considering the noninvasive nature of the myocardial perfusion scan, we decided to compare its accuracy with stress test. Methods: Patie...
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ورودعنوان ژورنال:
- Diseases of the chest
دوره 43 شماره
صفحات -
تاریخ انتشار 1963