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 Pulmonary Stenosis: Narrowing of Pulmonary Valve No Comments | Feb 10, 2024 What is CT triple rule out? No Comments | Apr 26, 2022 What is cardiac tamponade? No Comments | Jul 14, 2022 Can you reduce triglycerides by natural means? No Comments | Feb 13, 2024 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal