NSVT Johnson Francis | July 6, 2008 | Electrical system of the heart | No Comments NSVT NSVT: Non-sustained Ventricular Tachycardia, lasting less than 30 seconds. Related Posts Tachyarrhythmia No Comments | Jul 6, 2008 Can a person with a pacemaker run? No Comments | Apr 27, 2015 What is RSR deflection? No Comments | May 3, 2013 What is Sick Sinus Syndrome? No Comments | Jul 10, 2008 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal