ICU EXAM CERTIFICATION REVIEW 2026 FULL
SOLUTION SET
◉ Normal QRS duration. Answer: Less than 0.12 seconds
◉ Normal QT interval. Answer: Less than 0.44 seconds in men and
less than 0.46 seconds in women
◉ Normal cardiac conduction pathway. Answer: SA node → AV node
→ Bundle of His → bundle branches → Purkinje fibers
◉ What does the P wave represent?. Answer: Atrial depolarization
◉ What does the QRS complex represent?. Answer: Ventricular
depolarization
◉ What does the T wave represent?. Answer: Ventricular
repolarization
◉ First-line medication for PEA or asystole. Answer: Epinephrine
◉ First-line medication for SVT. Answer: Adenosine
, ◉ First-line treatment for ventricular fibrillation. Answer:
Defibrillation plus epinephrine and amiodarone
◉ First-line medication for Torsades de Pointes. Answer:
Magnesium sulfate
◉ First-line medication for symptomatic bradycardia. Answer:
Atropine
◉ Difference between defibrillation and cardioversion. Answer:
Defibrillation is unsynchronized for pulseless rhythms;
cardioversion is synchronized for patients with a pulse
◉ What are the two shockable rhythms?. Answer: Ventricular
fibrillation and pulseless ventricular tachycardia
◉ Initial ACS interventions. Answer: MONA: Morphine, Oxygen,
Nitroglycerin, Aspirin
◉ Effect of pain and anxiety on vital signs. Answer: Increased heart
rate, blood pressure, respiratory rate, and oxygen consumption
SOLUTION SET
◉ Normal QRS duration. Answer: Less than 0.12 seconds
◉ Normal QT interval. Answer: Less than 0.44 seconds in men and
less than 0.46 seconds in women
◉ Normal cardiac conduction pathway. Answer: SA node → AV node
→ Bundle of His → bundle branches → Purkinje fibers
◉ What does the P wave represent?. Answer: Atrial depolarization
◉ What does the QRS complex represent?. Answer: Ventricular
depolarization
◉ What does the T wave represent?. Answer: Ventricular
repolarization
◉ First-line medication for PEA or asystole. Answer: Epinephrine
◉ First-line medication for SVT. Answer: Adenosine
, ◉ First-line treatment for ventricular fibrillation. Answer:
Defibrillation plus epinephrine and amiodarone
◉ First-line medication for Torsades de Pointes. Answer:
Magnesium sulfate
◉ First-line medication for symptomatic bradycardia. Answer:
Atropine
◉ Difference between defibrillation and cardioversion. Answer:
Defibrillation is unsynchronized for pulseless rhythms;
cardioversion is synchronized for patients with a pulse
◉ What are the two shockable rhythms?. Answer: Ventricular
fibrillation and pulseless ventricular tachycardia
◉ Initial ACS interventions. Answer: MONA: Morphine, Oxygen,
Nitroglycerin, Aspirin
◉ Effect of pain and anxiety on vital signs. Answer: Increased heart
rate, blood pressure, respiratory rate, and oxygen consumption