APEX EKG 2026 EXAM QUESTIONS AND ANSWERS RATED
A+
✔✔Junctional - ✔✔p wave inverted, absent or after QRS
✔✔Junctional rate - ✔✔40-60
✔✔Junctional rhythm - ✔✔regular
✔✔Junctional p waves - ✔✔inverted, absent or after QRS
✔✔Junctional PR interval - ✔✔if present, less than 0.12
✔✔Junctional QRS complex - ✔✔less than 0.12
✔✔Accelerated Junctional - ✔✔faster than junctional, p wave inverted, absent, buried
✔✔Accelerated Junctional rate - ✔✔61-100
✔✔Accelerated Junctional rhythm - ✔✔regular
✔✔Accelerated Junctional p waves - ✔✔inverted, absent, buried or retrograde
✔✔Accelerated Junctional PR interval - ✔✔if present, short or retrograde
✔✔Accelerated Junctional QRS complex - ✔✔less than 0.12
✔✔v tach - ✔✔no p waves, QRS wide/bizarre, "tombstone"
✔✔V tach rate - ✔✔100-220
✔✔V tach rhythm - ✔✔usually regular
✔✔V tach p waves - ✔✔none
✔✔V tach PR interval - ✔✔not measurable
✔✔V tach QRS complex - ✔✔wide, bizarre QRS less than 0.12
✔✔v fib - ✔✔Chaotic squiggly line. No pattern
✔✔V fib rate - ✔✔cannot be counted
, ✔✔V fib rhythm - ✔✔irregular
✔✔V fib p wave - ✔✔none
✔✔V fib PR interval - ✔✔none
✔✔V fib QRS complex - ✔✔QRS replace by fibrillation wave
✔✔Idioventricular (IVR), Agonal, dying heart, ventricular escape - ✔✔slow, no p waves,
QRS wide bizarre
✔✔Idioventricular (IVR), Agonal, dying heart, ventricular escape rate - ✔✔less than 40
✔✔Idioventricular (IVR), Agonal, dying heart, ventricular escape rhythm - ✔✔regular
✔✔Idioventricular (IVR), Agonal, dying heart, ventricular escape p wave - ✔✔none
✔✔Idioventricular (IVR), Agonal, dying heart, ventricular escape PR interval - ✔✔none
✔✔Idioventricular (IVR), Agonal, dying heart, ventricular escape QRS complex -
✔✔wide bizarre QRS less than 0.12
✔✔Accelerated IVR (AIVR) - ✔✔IVR but a little faster
✔✔Accelerated IVR (AIVR) rate - ✔✔40-100
✔✔Accelerated IVR (AIVR) rhythm - ✔✔regular
✔✔Accelerated IVR (AIVR) p wave - ✔✔none
✔✔Accelerated IVR (AIVR) PR interval - ✔✔none
✔✔Accelerated IVR (AIVR) QRS complex - ✔✔wide bizarre QRS less than 0.12
✔✔premature ventricular contraction (PVC) - ✔✔early wide/bizarre beat
✔✔premature ventricular contraction (PVC) rate - ✔✔dependent on underlying rhythm
✔✔premature ventricular contraction (PVC) rhythm - ✔✔irregular
✔✔premature ventricular contraction (PVC) p wave - ✔✔p wave lost with each PVC
✔✔premature ventricular contraction (PVC) PR interval - ✔✔no PR interval with PVC
A+
✔✔Junctional - ✔✔p wave inverted, absent or after QRS
✔✔Junctional rate - ✔✔40-60
✔✔Junctional rhythm - ✔✔regular
✔✔Junctional p waves - ✔✔inverted, absent or after QRS
✔✔Junctional PR interval - ✔✔if present, less than 0.12
✔✔Junctional QRS complex - ✔✔less than 0.12
✔✔Accelerated Junctional - ✔✔faster than junctional, p wave inverted, absent, buried
✔✔Accelerated Junctional rate - ✔✔61-100
✔✔Accelerated Junctional rhythm - ✔✔regular
✔✔Accelerated Junctional p waves - ✔✔inverted, absent, buried or retrograde
✔✔Accelerated Junctional PR interval - ✔✔if present, short or retrograde
✔✔Accelerated Junctional QRS complex - ✔✔less than 0.12
✔✔v tach - ✔✔no p waves, QRS wide/bizarre, "tombstone"
✔✔V tach rate - ✔✔100-220
✔✔V tach rhythm - ✔✔usually regular
✔✔V tach p waves - ✔✔none
✔✔V tach PR interval - ✔✔not measurable
✔✔V tach QRS complex - ✔✔wide, bizarre QRS less than 0.12
✔✔v fib - ✔✔Chaotic squiggly line. No pattern
✔✔V fib rate - ✔✔cannot be counted
, ✔✔V fib rhythm - ✔✔irregular
✔✔V fib p wave - ✔✔none
✔✔V fib PR interval - ✔✔none
✔✔V fib QRS complex - ✔✔QRS replace by fibrillation wave
✔✔Idioventricular (IVR), Agonal, dying heart, ventricular escape - ✔✔slow, no p waves,
QRS wide bizarre
✔✔Idioventricular (IVR), Agonal, dying heart, ventricular escape rate - ✔✔less than 40
✔✔Idioventricular (IVR), Agonal, dying heart, ventricular escape rhythm - ✔✔regular
✔✔Idioventricular (IVR), Agonal, dying heart, ventricular escape p wave - ✔✔none
✔✔Idioventricular (IVR), Agonal, dying heart, ventricular escape PR interval - ✔✔none
✔✔Idioventricular (IVR), Agonal, dying heart, ventricular escape QRS complex -
✔✔wide bizarre QRS less than 0.12
✔✔Accelerated IVR (AIVR) - ✔✔IVR but a little faster
✔✔Accelerated IVR (AIVR) rate - ✔✔40-100
✔✔Accelerated IVR (AIVR) rhythm - ✔✔regular
✔✔Accelerated IVR (AIVR) p wave - ✔✔none
✔✔Accelerated IVR (AIVR) PR interval - ✔✔none
✔✔Accelerated IVR (AIVR) QRS complex - ✔✔wide bizarre QRS less than 0.12
✔✔premature ventricular contraction (PVC) - ✔✔early wide/bizarre beat
✔✔premature ventricular contraction (PVC) rate - ✔✔dependent on underlying rhythm
✔✔premature ventricular contraction (PVC) rhythm - ✔✔irregular
✔✔premature ventricular contraction (PVC) p wave - ✔✔p wave lost with each PVC
✔✔premature ventricular contraction (PVC) PR interval - ✔✔no PR interval with PVC
