Test Findings
 

Left Axis Deviation

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Overview

  • Left axis deviation occurs when the direction of cardiac depolarisation lies between -30° and -90°.
    • Look For

    • Positive lead I with negative leads II and aVF.
    • Left Axis Deviation
    • Causes of Left Axis Deviation

    • Left ventricular hypertrophy
    • Myocardial infarction
    • Left anterior fascicular block
    • Aortic stenosis
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