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 Is SVT a Dangerous Arrhythmia? No Comments | Jul 25, 2008 Extravascular ICD – New medical device No Comments | Sep 7, 2022 What are phantom shocks? No Comments | Apr 3, 2013 PSVT No Comments | Jul 6, 2008 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal