Baylor Scott & White EKG
Test Comprehensive
Questions with Answers
100% Accuracy
1. Lethal Rhythms
Question: Name the seven lethal rhythms.
Answer: Ventricular fibrillation (V-fib), Ventricular tachycardia (V-tach), Asystole,
Pulseless Electrical Activity (PEA), Idioventricular rhythm, 2nd degree AV block
Type 2, Complete heart block.
2. P-R Interval
Question: What does the P-R interval represent?
Answer: Time from the onset of atrial depolarization (P wave) to the onset of
ventricular depolarization (QRS complex).
3. Normal Sinus Rhythm (NSR)
Question: Describe the rate and characteristics.
Answer: Regular rhythm, rate 60–100 bpm, P waves present before each QRS,
normal PR interval.
4. Sinus Bradycardia
,Question: Define and describe treatment.
Answer: Rate < 60 bpm; treat with pacing or atropine if symptomatic, address
reversible causes.
5. Sinus Tachycardia
Question: Characteristics and management.
Answer: Rate > 100–< 160 bpm; treat underlying cause such as pain, fever, or
hypovolemia.
6. Atrial Flutter
Question: ECG appearance and typical treatment.
Answer: Saw-tooth P waves; treat with rate control (beta-blockers, calcium-channel
blockers) and consider cardioversion if unstable.
7. Atrial Fibrillation (A-fib)
Question: ECG finding and management.
Answer: Irregularly irregular rhythm, wavy baseline; treat unstable patients with
synchronized cardioversion, anticoagulate as indicated.
8. Junctional Rhythm
Question: ECG features and usual rate.
Answer: Inverted or absent P waves, rate 40–60 bpm; treat like bradycardia if
symptomatic.
9. Supraventricular Tachycardia (SVT)
Question: ECG sign and acute management.
, Answer: No visible P wave; treat with vagal maneuvers, adenosine, or synchronized
cardioversion if unstable.
10. Premature Ventricular Contraction (PVC)
Question: ECG features.
Answer: Wide, bizarre QRS complex, often with T wave in opposite direction; occurs
in context of NSR.
11. Idioventricular Rhythm
Question: Characteristics.
Answer: No P waves, wide QRS, opposite T waves; rate usually < 40 bpm.
12. Ventricular Fibrillation (V-fib)
Question: Immediate treatment?
Answer: Defibrillation.
13. Ventricular Tachycardia (V-tach)
Question: Management with and without pulse.
Answer: Pulse present: cardioversion; pulseless: CPR + defibrillation + ACLS drugs.
14. 1st Degree AV Block
Question: Key ECG sign.
Answer: PR interval > 0.20 s, every P wave followed by QRS.
15. 2nd Degree AV Block, Type 1 (Wenckebach)
Question: ECG feature.
Test Comprehensive
Questions with Answers
100% Accuracy
1. Lethal Rhythms
Question: Name the seven lethal rhythms.
Answer: Ventricular fibrillation (V-fib), Ventricular tachycardia (V-tach), Asystole,
Pulseless Electrical Activity (PEA), Idioventricular rhythm, 2nd degree AV block
Type 2, Complete heart block.
2. P-R Interval
Question: What does the P-R interval represent?
Answer: Time from the onset of atrial depolarization (P wave) to the onset of
ventricular depolarization (QRS complex).
3. Normal Sinus Rhythm (NSR)
Question: Describe the rate and characteristics.
Answer: Regular rhythm, rate 60–100 bpm, P waves present before each QRS,
normal PR interval.
4. Sinus Bradycardia
,Question: Define and describe treatment.
Answer: Rate < 60 bpm; treat with pacing or atropine if symptomatic, address
reversible causes.
5. Sinus Tachycardia
Question: Characteristics and management.
Answer: Rate > 100–< 160 bpm; treat underlying cause such as pain, fever, or
hypovolemia.
6. Atrial Flutter
Question: ECG appearance and typical treatment.
Answer: Saw-tooth P waves; treat with rate control (beta-blockers, calcium-channel
blockers) and consider cardioversion if unstable.
7. Atrial Fibrillation (A-fib)
Question: ECG finding and management.
Answer: Irregularly irregular rhythm, wavy baseline; treat unstable patients with
synchronized cardioversion, anticoagulate as indicated.
8. Junctional Rhythm
Question: ECG features and usual rate.
Answer: Inverted or absent P waves, rate 40–60 bpm; treat like bradycardia if
symptomatic.
9. Supraventricular Tachycardia (SVT)
Question: ECG sign and acute management.
, Answer: No visible P wave; treat with vagal maneuvers, adenosine, or synchronized
cardioversion if unstable.
10. Premature Ventricular Contraction (PVC)
Question: ECG features.
Answer: Wide, bizarre QRS complex, often with T wave in opposite direction; occurs
in context of NSR.
11. Idioventricular Rhythm
Question: Characteristics.
Answer: No P waves, wide QRS, opposite T waves; rate usually < 40 bpm.
12. Ventricular Fibrillation (V-fib)
Question: Immediate treatment?
Answer: Defibrillation.
13. Ventricular Tachycardia (V-tach)
Question: Management with and without pulse.
Answer: Pulse present: cardioversion; pulseless: CPR + defibrillation + ACLS drugs.
14. 1st Degree AV Block
Question: Key ECG sign.
Answer: PR interval > 0.20 s, every P wave followed by QRS.
15. 2nd Degree AV Block, Type 1 (Wenckebach)
Question: ECG feature.
