25+ (2025-2026 A+ Graded) Exam-Style Questions | Verified Solutions |
Complete Answer Key
Question 1 pts
Ventricular fibrillation (V-fib)
Correct!
abnormal heart rhythm which results in quivering of ventricles
, Question 2 pts
Premature Junctional Contraction
Correct!
Inverted p wave or hidden p wave
PRI<0.12 or none
Normal QRS
Question 3 pts
Torsades de pointes
Correct!
Rate: 120 - 200 usually
P wave: Obscured by ventricular waves
QRS: Wide QRS - "Twisting of the Points"
Conduction: Ventricular only
Rhythm: Slightly irregular
, Question 4 pts
asystole
Correct!
absence of contractions of the heart
Question 5 pts
Premature Atrial Contraction (PAC)
Correct!
Heart Rate: Depends on underlying rhythm
Regularity: Interrupts the regularity of underlying rhythm
P-Wave: can be flattened, notched, or unusual. May be hidden within the T wave
PRI: measures between .12-.20 seconds and can be prolonged; can be different from other complexes
QRS: <.12 seconds