1. The level of physical activity may affect the para-1 Han;J, Garcia de Jalon P.; GK, Moe;Circ Res; Adrenergic effects sympathetic tone and reflex heart rate control.26 on ventricular vulnerability,1964
2. Earlier experimental studies have shown that transmural infarction can interrupt both the afferent and efferent limbs of the autonomic innervation of myocardial infarction by treatment with alprenolol;Lancet,1974
3. The Norwegian multicenter Study Group. Timololinduced reduction in mortality and reinfarction in patients surviving acute myocardial infarction;N Engl J Med,1981
4. Baroreceptor reflex control of heart rate: a predictor of sudden the myocardium apical to the infarction.27 Heart cardiac death;Billman, G.E.; Schwartz, P.J.; Stone, H.L.;Circulation,1982
5. rate variation in deep breathing or the degree of 5;LE, Carver S.T.; A, Plakun;Arch Intern Med; Slow heart rates and bradycardia caused by coronary arteriography, however, were not significantly reduced in patients with transmural myocardial infarction compared with other patients with coronary artery disease. Nor was heart rate variation in deep breathing related to the location or number of diseased vessels or to left venincreased risk of cardiac death in middle-aged men,1972