ECG 11. The ECG above is from a 56 yers-old woman with minimal coronary artery disease, and
left ventricular systolic dysfunction and dilation (Dilated CardioMyoPathy with an Ejection Fraction of 25%).
Notch in the ascending limb of the R wave in lead aVL denotes
Chapman's sign.
Chapman's sign may also be seen in some patients with Dilated CardioMyoPathy and LBBB.





ECG 12. The ECG above is from a 79 years-old woman with long-standing hypertension.
Left bundle branch block is seen.
ECHOcardiography showed diffuse (concentric) left ventricular hypertrophy.

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ECG 13. The ECG above is from a 40 years-old woman.
Sinus rhythm, left bundle branch block, short PR interval and delta waves (WPW syndrome) are seen.

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ECG 14a. The ECG above belongs to a 48 years-old man. He had undergone Bentall operation 5 days ago.
Wide-QRS tachycardia in the form of left bundle branch block is seen. Is it ventricular tachycardia (VT ?)

Dr. Erkan Kısacık has donated the above ECG to our website.

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ECG 14b. The ECG above belongs to the same patient. It was recorded after electrical cardioversion with 50 Joules.
Now, the rhythm is sinus. Left bundle branch block is also seen.
Later on, electrophysiologic study (EPS) revealed atrial flutter with 1:1 conduction.
The ECG 22a was actually atrial flutter with a 1:1 conduction to the ventricles.
Every wide QRS tachycardia is not necessarily a VT.

Dr. Sinan Altan Kocaman has donated the above ECG to our website.

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