Ventricular Rhythms

Question 0

Idioventricular Rhythm (IVR)

Answer 0

Intrinsic Rate- A) None V) 20-40 BPM
Regularity- Regular
P Wave- Absent (disassociated if present)
P:QRS ratio- Not applicable
PR Interval- None
QRS Width- Wide (>0.12 sec.)

Question 1

Premature Ventricular Complex (PVC)

Answer 1

Intrinsic Rate-      A)                              V)
Regularity-
P Wave-
P:QRS ratio- 
PR Interval- 
QRS Width-

Question 2

Accelerated Idioventricular Rhythm (AIVR)

Answer 2

Intrinsic Rate- A) None V) 40-100 BPM
Regularity- Regular
P Wave- Absent (disassociated if present)
P:QRS ratio- Not applicable
PR Interval- None
QRS Width- Wide (>0.12 Sec.)

Question 3

Ventricular Tachycardia (V-Tac)

Answer 3

Intrinsic Rate-      A) None     V)100-150 BPM(slow VT) 150-300 BPM
Regularity- Regular
P Wave- Absent (dissociated if present)
P:QRS ratio- Not applicable
PR Interval- None
QRS Width- Wide (>0.12 Sec.)

Question 4

Polymorphic VT (Torsades de pointes)

Answer 4

Intrinsic Rate-      A) None      V) 100-150 BPM (slow VT) 150-300 BPM
Regularity- Regular 
P Wave- Absent (dissociated if present) 
P:QRS ratio- N/A
PR Interval- None
QRS Width- Wide (>0.12 Sec.)

Question 5

Ventricular Fibrillation (V-Fib)

Answer 5

Intrinsic Rate-      A) Not mesuareble   V) 300-500 BPM
Regularity- Irregular 
P Wave- None
P:QRS ratio- None
PR Interval- None
QRS Width- Not measurable

Question 6

Asystole

Answer 6

Intrinsic Rate-  Zero BPM
Regularity- Not measurable 
P Wave- None
P:QRS ratio- None
PR Interval- None
QRS Width- None

Question 7

Pulseless Electrical Activity (PEA)

Answer 7

Condition not a Rhythm, electrical activity without mechanical activity (rhythm without pulse)