Survival after cardiac arrest or sustained ventricular tachycardia in patients with hypertrophic cardiomyopathy
Perry M. Elliott, MRCPa,
Sanjay Sharma, MRCPa,
Amanda Varnava, MRCPa,
Jan Poloniecki, PhDa,
Edward Rowland, MD, FESC, FACC, FRCPa and
William J. McKenna, MD, FACC, FRCP, FESCa
a Department of Cardiological Sciences, St. George’s Hospital Medical School, London, United Kingdom
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Figure 1 Cumulative survival (Kaplan-Meier analysis) from initial episode of syncopal sustained ventricular tachycardia/ventricular fibrillation to death or first appropriate implantable cardioverter defibrillator discharge. The numbers in parentheses refer to the number of patients followed for any given time period.
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Figure 2 Stored electrocardiograms retrieved from the implanted cardioverter defibrillator (25 mm/s) showing episodes of polymorphic ventricular tachycardia preceded by (A) atrial fibrillation (Patient 11) and (B) sinus tachycardia (Patient 4). Both episodes were successfully terminated by maximum energy direct current shock.
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