By Dr. Fibhaa Syed MBBS, FCPS, MRCP, SC Endocrinology Assistant Professor of Medicine Shaheed Zulfiqar Ali Bhutto Medical University, Pakistan Institute of Medical Sciences Following steps should be follow while interpreting ECG. Details may be found elsewhere, in this article brief outlines regarding ECG interpretation are shared, which were explained by Assistant Professor of Medicine, Dr. Fibhaa Syed during a Post-Graduate teaching session at Shaheed Zulfiqar Ali Bhutto Medical University, Islamabad Pakistan. Please note Normal Criteria is shared here unless specified otherwise. ECG Interpretation Steps Identification Name, Date and Time Calibration Normally Width = 5 squares (1 big square), (one small square = 0.04 seconds) Height = 10 small squares (1 small square = 0.1mV, 10 small squares = 1mV Rate 300 divided by Number of of large squares between two QRS complex = Rate / min Rhythm Check in lead II. QRS should be preceded
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