EKG Axis.

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Presentation transcript:

EKG Axis

-Rate -Rhythm -Axis -Hypertrophy -Intervals -Ischemia, Infarct, Injury

What is Axis?

The quadrant method (AKA thumbs up method) Left thumb is Lead I Right thumb Lead aVL

Right Axis deviation differential diagnosis Left posterior fascicular block Lateral MI RVH PE COPD Hyperkalemia WPW

Left Axis Deviation differential diagnosis Left anterior fascicular block Bifascicular block Left bundle branch Block LVH Inferior MI Ventricular ectopy WPW

Why is axis important?

Why is axis important? It may help you differentiate certain rhythms It can help support a diagnosis It is necessary for diagnosis of LAFB, LPFB, bifascicular block and trifascicular block

Left anterior fascicular block -Left axis -Small Q wave I and aVL -Small R waves II, III, aVF -Normal QRS duration -Prolonged R wave peak time In aVL

Bifascicular block