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Any physical action that increases parasympathetic tone and decreases the conduction of the electrical impulses of the heart. Vagal maneuvers may be used as first-line interventions in the evaluation or management of supraventricular tachycardias. Examples include bearing down or straining; massaging the carotid sinus; coughing; gagging; or immersing the face or neck in ice water. See: Valsalva's maneuver
pertaining to the vagus nerve.
see vasovagal attack.
pressure on the carotid sinus or eyeball to terminate supraventricular tachycardia.