Assertion: catecholamine's effect | /r/HasProperty | exerted on purkinje fibers
Facets:
value: at supposed antiarrhythmic concentration of propranolol
type: OTHER
Source sentences:
text: It is noteworthy that at supposed antiarrhythmic concentration of propranolol the following effects are exerted on Purkinje fibers: (1) decreased action potential amplitude, (2) decreased maximal slope of phase-0 depolarization; (3) decreased membrane responsiveness; (4) decreased conduction velocity; (5) decreased action potential duration; and (6) decreased automaticity (Hoffman and Bigger, 1971).