THE MANAGEMENT OF PAROXYSMAL TACHYCARDIA INCLUDING THE USE OF MECHOLYL

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Abstract
Few attacks require treatment since they cease spontaneously. Deaths have been recorded from attacks. Attacks have recurred over a period of 50 yrs. without affecting longevity. Reassurance should be backed by proved ability to stop attacks and by educating the patient. Resistant attacks have been stopped by mecholyl(acetyl-[beta]-methyl-choline). Action can be augmented by carotid sinus reflex and by massage of inj. site. It can be retarded by a tourniquet above the inj. site and it can be abolished by atropine. Tachycardia termination is abrupt and after a brief asystole and brady-cardia, sinus rhythm ensues.