Atrial Enlargement More Condition_symptoms What Is Morris' Index For Left Atrial Enlargement? How To Calculate It?

What Is Morris' Index For Left Atrial Enlargement? How To Calculate It? - atrial enlargement more condition_symptoms

Multiply length x width of the negative terminal of the P wave in V1 (the thickness of the terminal P). This gives the index of Morris.
The top 0.04 mm-sec in the enlargement of the left atrium. taken (a small square on the ECG at 25 mm / sec) paper speed.