Supraventricular Tachycardia (SVtach)

Supraventricular tachycardia (SVT) is a term widely used to describe tachycardial dysrhythmias, paroxysmal SVT (PSVT) is a narrow term including only AV nodal re-entrant tachycardia (AVNRT) and atrioventricular re-entrant tachycardia (AVRT), both of which can cause discomfort and, in some cases, life-threatening symptoms. Usually Carotid sinus massage is done to lower the pulse rate and after the standard time specific verapamil dose is administered. In this study after carotid sinus massage Conventional Valsalva or modified Valsalva maneuver will be randomly applied. In case, the normal sinus rhythm (NSR) is not achieved then verapamil of or adenosine dose will be administered to the patients after after taking the consent.