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Table 1 Various rhythm preceding PoVT and several modes of onset

From: Hemodynamic deterioration precedes onset of ventricular tachyarrhythmia after Heartmate II implantation

   Rhythm prior to PoVT
   Sinus Rhythm Short-long-short-sequence Ventricular run with sinus rhythm beats
Mode of PoVT onset Sudden onset; N = 13; 11 % N = 8; 61 % N = 4; 31 % N = 1; 8 %
Ventricular premature beat; N = 33; 27 % N = 11; 33 % N = 15; 46 % N = 7; 21 %
Ventricular Couplet; N = 18; 15 % N = 7; 39 % N = 10; 55 % N = 1; 6 %
Ventricular run; N = 56; 47 % N = 29; 52 % N = 23; 41 % N = 4; 7 %