Sustained ventricular tachycardia or fibrillation in the cardiac catheterization laboratory among patients receiving primary percutaneous coronary intervention
Incidence, predictors, and outcomes
Rajendra H. Mehta, MD, MS*,*,
Kishore J. Harjai, MD ,
Lorelei Grines, PhD ,
Gregg W. Stone, MD ,
Judy Boura, MS ,
David Cox, MD ,
William O'Neill, MD ,
Cindy L. Grines, MD Primary Angioplasty in Myocardial Infarction (PAMI) Investigators
* University of Michigan, Ann Arbor, Michigan, USA
William Beaumont Hospital, Royal Oak, Michigan, USA
Lenox Hill Hospital, New York, New York, USA
Mid Carolina Cardiology, Charlotte, North Carolina, USA


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Figure 1 Electrocardiographic tracings of ventricular fibrillation (A) and ventricular tachycardia (B) during primary percutaneous coronary intervention.
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Figure 2 Time from symptom onset to emergency room (ER) arrival and frequency of ventricular tachycardia/ventricular fibrillation (VT/VF). The Cochran-Mantel-Haenszel statistic = 9.2, df 1, p < 0.0024 for trend.
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Figure 3 Increasing number of risk factors for ventricular tachycardia/ventricular fibrillation (VT/VF) (as shown in Table 4) and the incidence of these arrhythmias. The Cochran-Mantel-Haenszel statistic = 50.7, df 1, p < 0.0001 for trend.
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