This is a protocol for a Cochrane Review (Intervention). The objectives are as follows:

To ascertain the nature and level of evidence available to support the current effectiveness of Valsalva Manoeuvre in the reversion of supraventricular tachycardia in the prehospital and emergency medical settings. This review focuses on the specific application of a procedure to haemodynamically stable AVNRT management, but one which is currently also utilised in a variety of manners across a range of medical disciplines for diagnostic and therapeutic purposes unrelated to cardiology or the management of cardiac arrhythmias.