The axis of the ... for almost 90% of ECG tracings with LAD. If the QRS is predominantly negative in lead I and positive in lead aVF, then the axis is rightward (right axis deviation).

Left axis deviation occurs when ... left ventricular hypertrophy. See the ECG basics section on determining axis for details. If the QRS is upright in lead I and downward (negative) in lead ...

These include findings suggestive of cardiomyopathy such as T-wave inversion, ST depression, pathological Q-waves, left axis deviation and conduction delays and findings suggestive or diagnostic of ...

After 100 years, the 12 ... deviation vector is determined in the same way as the QRS vector in that clinicians should look for the isoelectric ST segment in the limb leads to determine the lead ...

In a “normal” electrocardiogram (ECG), the transition of the QRS axis in the precordial leads ... lifestyle questionnaire, and 12-lead ECG; they were then followed until 2004.