Keith D. Wrenn, MD
To the Editor: The article on wide QRS-complex tachycardia by Akhtar and colleagues (1) is a welcome treatise on the electrocardiographic diagnosis of this complex and often enigmatic arrhythmia. Although I agree with most of their conclusions, I must take issue with two points. First, that "ventricular tachycardia makes up an overwhelming majority of cases" is not definitively answered by a study made up of patients referred to cardiologists experienced in electrophysiologic evaluation. There is an inherent bias in this tertiary referral that cannot be easily explained away. Although this supposition may be correct, a large trial of consecutive patients
Wrenn KD. Wide QRS-Complex Tachycardia. Ann Intern Med. ;110:412. doi: 10.7326/0003-4819-110-5-412_1
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Published: Ann Intern Med. 1989;110(5):412.
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