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What is Morris Index positive in ECG is suggestive of and explain in detail?
The index proposed by Morris (amplitude of the negative deflection in V1 in mm multiplied by its duration in seconds) is positive if greater than 0.03Morris Index positive in ECG is suggestive of Another sign of Left atrial enlargement in ECG is P wave width >2.5 mm in lead II.Right, atrial enlargement P wave height >2.5mm in lead II and area of the Positive phase of P wave in Lead V1 >0.06mmsec.