A patient with Duchenne's muscular dystrophy may show a number of changes in the electrocardiogram.



(1) cardiac arrhythmias

(2) involvement of the posterobasal and posterolateral left ventricle, including the posterolateral papillary muscle


Cardiac arrhythmias may include:

(1) sinus tachycardia

(2) atrial flutter

(3) other atrial or ventricular arrhythmias


ECG changes:

(1) tall R wave in V1 and V2

(2) deep, narrow Q waves in I, aVL and V4-V6.


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