Regarding concealed AV (atrioventricular) bypass tract, true statement is:
a) Retrograde VA conduction does not occur
b) Does not participate in AVRT (atrioventricular reentrant tachycardia)
c) Ventricular fibrillation will not occur if atrial fibrillation develops
d) None of the above
e) All of the above
Please see the YouTube video above for discussion