Sinus node Johnson Francis | July 6, 2008 | General | No Comments Sinus node Sinus node: Same as sino-atrial node or SA node; the normal pacemaker of the heart. Related Posts Pulse oximetry No Comments | Jul 6, 2008 How to control high blood pressure without medications? No Comments | Nov 29, 2021 Near-Infrared Spectroscopy (NIRS) Tissue Oximetry – Novel method of measuring oxygen levels in body No Comments | Sep 10, 2022 Sudden cardiac death in young athletes No Comments | Apr 17, 2015 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal