ECG / Electrophysiology
ECG showing fine atrial fibrillation with controlled ventricular rate.
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ECG / Electrophysiology
Serial ECGs showing response to exercise in congenital complete heart block.
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ECG / Electrophysiology
ECG showing Anterior wall myocardial infarction and 50 Hz interference.
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ECG / Electrophysiology
ECG showing complete heart block and intermittent pacing.
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ECG / Electrophysiology
ECG showing Right bundle branch block with left anterior hemiblock.
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ECG / Electrophysiology
Sinoatrial (SA) and atrioventricular (AV) blocks seen in same ECG.
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ECG / Electrophysiology
Preexcitation: The PR interval is short and is followed by the slurred initial portion of the QRS in lateral leads, which is the positive delta wave.
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ECG / Electrophysiology
Arm lead inversion / technical dextrocardia can be recognized by inverted P waves, negative QRS and T waves in lead I. Chest leads have normal pattern.
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