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[annie37]

av conduction characteristics pacingcycle lengths for blocks av node: 380ms

effective refractory periods erp of atrium: 220ms    basic drive 600ms

atrial stimulation protocol:
basic drive trains
burst ms 600 to 190ms
premature stimuli at basic drivetrains of 600ms 450ms 300ms w/ minimal coupling intervals
single:200ms
double:200ms  200ms

atrial stimulation resultes in induction of:
no ventricular tachycardia
supraventricular tachycardia

characteristics
typical av nodal reentry   slow/fast
conduction times
shortest va time 33ms
aeh interval 163ms
  
ventricular stimulation protocol:
basic drive trains
burst ms 600 to 200ms

+carotid sinus massage
isuprel infusion:
rate of infusion 4 ug/hr
heart rate increase from 85 to 145 bpm

conclusions:
av conduction  abnormal-dual av nodal conduction
his-purkinje conduction:  normal
supraventricular tachycardia: av node re-entry typical
ventricular tachycardia: non- inducible


(Can some one please help me understand this thank you in advance) Heart catheters
(my heart

[annie37]

Thank you doctor

[Douglas Bogart, MD]

You must have had supraventricular tachycardia(SVT)  as the reason for this EP study.  The test shows you have two pathways through your AV node which allows for the development of the tachycardia.  This is the most common mechanism for SVT and in general it is readily treated by ablation.