Find the electrocardiographic axis by grand and zao method. This software is a homage to all pioneers of electrocardiography.
It consists of 2 parts:
1) The grand_axis is a pictorial view of the ECG AXIS as it was described by Dr Grand in 1956 in his book "Clinical electrocardiography. The spacial Vector Approach" Ed. McGrawHill 1957
2) zao_axis is the ECG Axis as was described by Dr Zao in 1952 and 1984 (See The Articles Inside )
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