The axis of the ECG is the major direction of the overall electrical activity of the heart. It can be normal, leftward (left axis deviation, or LAD), rightward (right axis deviation, or RAD) or ...
A new electrocardiogram (ECG) which makes use of signals from the ear and hand to check heart rhythm has been revealed at EHRA 2011 a European Society of Cardiology (ESC) congress. The ECG does not ...
Left axis deviation occurs when the QRS axis falls between -30 and -90. There are a variety of causes, including left anterior fascicular block and left ventricular hypertrophy. See the ECG basics ...
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