This ECG shows atrial fibrillation with an uncontrolled ventricular rate. There are two QRS complexes that become wide in a right bundle branch block pattern. This can occur at fast heart rates ...
Patients who had symptomatic (fatigue, faintness, dyspnea, and syncope) type II second- or third-degree AV block, 2:1 AV block, atrial fibrillation ... and narrow QRS Constant PR interval ...
Treat a wide-complex tachycardia like ... If no P waves can be seen and the QRS complexes are irregularly irregular, then atrial fibrillation is present. ST segment elevation from pericarditis ...
Methods:Of 668 consecutive patients with symptomatic type II second- or third-degree AV block, 2:1 AV block, atrial fibrillation ... and narrow QRS Constant PR interval preceding blocked P ...
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