Table 1

Clinical profile of patients and characteristics of ventricular tachycardia induced

No Age
Sex Diagnosis No of episodes EF No of extrastimuli Cycle length (ms) Termination
of VT
Site of VT Catheter
Result of repeat VT stimulations Success definition Further treatment Clinical recurrence Follow up (months)
168MInf MI320%1360DCInferobasal8 mmPolymorphic NSVT at 3 extras+47
266MInf MI431%1320ODPInferobasal4 mmDifferent VT CL 300 ms at 3 extras±Amio30
363FInf MI239%1460ODPInferobasal4 mmNo VT at 3 extras+26
454MInf MI, CABG640%2300ODPInferobasal4 mmDifferent VT morphology CL 215 ms at 4 extras. No VT inducible at 4 extras stim 2+25
557MAnt MI, CABG330%1250ODPApicoseptal8 mmNo VT at 3 extras+22
674MAnt MI124%2320ODPAnterior4 mmDifferent VT CL 270 ms at 3 extras±Amio21
765FInf MI, CABG128%3330DCInferobasal4 mmDifferent VT morphology CL 300 ms at 4 extras stim 1±ICDNSVT
(8 beats)
847MAnt MI613%1240DCInferobasal8 mmVT at 3 extrasVT surgery18
946MInf MI335%1337DCInferobasal8 mmNo VT at 4 extras+17
1065MAnt MI324%2280DCApicoseptal8 mmNo VT at 4 extras+8
  • Amio, amiodarone; Ant MI, anterior myocardial infarction; CABG, coronary artery bypass grafting; CL, cycle length; DC, direct current cardioversion; extras, extrastimuli; F, female; Inf MI, inferior myocardial infarction; ICD, implantable cardioverter defibrillator; IHD, ischaemic heart disease; M, male; NSVT, non-sustained ventricular tachycardia; OPD, overdrive pacing; VT, ventricular tachycardia. Success definition: +definite; ± possible; – failure.