APEX EKG MAIN EXAMINATION SET 2026 QUESTIONS
AND ANSWERS SURE A+
✔✔Second Degree Heart Block Type II - ✔✔P wave: present
PR: variable but consistent when present but dropped QRS
QRS: regular
✔✔Third Degree Heart Block - ✔✔P wave: present
PR: variable
QRS: regular
P and QRS do not talk
*LETHAL*
✔✔A-fib with multifocal PVC's - ✔✔P wave: no
PR: variable
QRS: wide
Rate: regular
✔✔NSR with PVC - ✔✔P wave: present
PR: regular
QRS:wide
Rate: calculate with R-R
✔✔V-tach - ✔✔Wide QRS
No P wave
Rate >100
✔✔V-fib - ✔✔chaotic
✔✔Idioventricular rhythm - ✔✔Regular
P wave: no
QRS: wide
Rate: 20-40
✔✔Accelerated Idioventricular Rhythm - ✔✔Regular
P wave: no
QRS: wide
Rate >40 but <100
✔✔What are the lethal rhythms? - ✔✔CHB
2nd˚ Type 2
V fib
V tach
IVR
AND ANSWERS SURE A+
✔✔Second Degree Heart Block Type II - ✔✔P wave: present
PR: variable but consistent when present but dropped QRS
QRS: regular
✔✔Third Degree Heart Block - ✔✔P wave: present
PR: variable
QRS: regular
P and QRS do not talk
*LETHAL*
✔✔A-fib with multifocal PVC's - ✔✔P wave: no
PR: variable
QRS: wide
Rate: regular
✔✔NSR with PVC - ✔✔P wave: present
PR: regular
QRS:wide
Rate: calculate with R-R
✔✔V-tach - ✔✔Wide QRS
No P wave
Rate >100
✔✔V-fib - ✔✔chaotic
✔✔Idioventricular rhythm - ✔✔Regular
P wave: no
QRS: wide
Rate: 20-40
✔✔Accelerated Idioventricular Rhythm - ✔✔Regular
P wave: no
QRS: wide
Rate >40 but <100
✔✔What are the lethal rhythms? - ✔✔CHB
2nd˚ Type 2
V fib
V tach
IVR