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 Pericardium No Comments | Jul 6, 2008 Alzheimer disease and dementia more likely if your heart is pumping less No Comments | Apr 14, 2015 Effect of large amounts of alcohol on the heart No Comments | Feb 10, 2024 Left ventricular hypertrophy No Comments | Dec 28, 2008 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal