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August 21, 1972

Electrocardiographic Artifacts

Author Affiliations

Emory University School of Medicine Atlanta

JAMA. 1972;221(8):915. doi:10.1001/jama.1972.03200210059019

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To the Editor.—  Granted that recognition of electrical artifacts is imperative in the proper management of cardiac arrhythmias, especially in the setting of a coronary care unit. However, in the letter by Rubenfire and Rosenzweig (220:1130, 1972) there should have been no confusion. No self-respecting nurse in the coronary care unit would confuse those irregular waves with flutter waves; eg, in lead II, intervals varying from 0.14 to 0.20 seconds are seen. A look, and not a glance, is all that is required.