the increased effort tolerance after sympathectomy is primarily
a result of interruption of the efferent motor in-
nervation of the heart rather than division of sen-
sory pathways.
CORONARY ARTERY DISEASE
Apthorp, G. H., Chamberlain, D. A., and Hay-
ward, G. W.: The Effects of Sympathec-
tomy on the Electrocardiogram and Effort
Tolerance in Angina Pectoris. Brit. Heart
J. 26:218 (March), 1964.