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Pharmacology: Mode of Action: VASCOTEN is a beta adrenoreceptor blocking drug which is cardioselective (it acts preferentially on beta-adrenergic receptors in the heart).
Its action to reduce heart rate and contractility seems to be the effective factor in treating angina symptoms.
VASCOTEN'S mode of action in hypertension is unclear.
VASCOTEN'S time of action on the heart as a beta adrenoreceptor blocking agent is at least 24 hours.
