Right axis deviation occurs with the QRS axis and is between +90 and +180 degrees. Indeterminate axis is between +/- 180 and -90 degrees. This is summarized in the image below.

During the assessment of ECG data, researchers reported that 60 patients (40%) had right axis deviation, and 30 patients (20%) had signs of right ventricular hypertrophy, totaling 90 patients with ...

Question 3 Left axis deviation. Explanation. There are three ways to work out the axis from an ECG: 1. Read the ECG print out. The ECG interpretive software is usually very accurate at working out the ...