Key result
Misdiagnosis of electrocardiographic artifact as ventricular tachycardia led to unnecessary diagnostic or therapeutic interventions in 12 patients.
Observational (n=12)
No
Misdiagnosis of ECG artifact as ventricular tachycardia can lead to unnecessary and potentially harmful diagnostic or therapeutic interventions.
ECG artifact misread as VT may prompt unnecessary interventions; case series leaves open its incidence and recognition strategies.
Electrocardiographic artifact can simulate ventricular tachycardia. The literature regarding electrocardiographic artifact is limited to case reports,1–7 proposed classifications,8,9 and diagnostic criteria.10 There is little information regarding the clinical implications of the misdiagnosis of artifact as ventricular tachycardia. We describe 12 patients who underwent unnecessary diagnostic or therapeutic interventions as a result of such a misdiagnosis. Methods We included in this series patients who were seen in consultation by a cardiac electrophysiologist at our institution between 1995 and 1999 and who underwent a diagnostic procedure or received treatment unnecessarily, solely as a result of the misdiagnosis of artifact as . . .
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Knight et al. (1999) conducted an observational in Electrocardiographic artifact mimicking ventricular tachycardia (n=12). Misdiagnosis of electrocardiographic artifact as ventricular tachycardia was evaluated on Unnecessary diagnostic or therapeutic interventions. Misdiagnosis of electrocardiographic artifact as ventricular tachycardia led to unnecessary diagnostic or therapeutic interventions in 12 patients.
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