Axis determination,”Look at QRS in Leads I and aVFIf both mainly positive = normal axisIf + in lead I and negative in aVF = left deviation If – in I and + and aVF = right axis If negative in both
extreme right axis deviation”
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Axis determination,”Look at QRS in Leads I and aVFIf both mainly positive = normal axisIf + in lead I and negative in aVF = left deviation If – in I and + and aVF = right axis If negative in both
extreme right axis deviation”