ECG EXAM NYU LANGONE
UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS
RATIONALES 2026 Q&A |
INSTANT DOWNLOAD PDF
Core Domains
1. Cardiac Anatomy and Electrophysiology
2. EKG Interpretation Fundamentals and Waveform Analysis
3. Sinus Rhythms and Heart Rate Calculation
4. Atrial Rhythms and Arrhythmias
5. Junctional Rhythms
6. Ventricular Rhythms and Lethal Arrhythmias
7. Heart Blocks and Conduction Disturbances
8. Ischemia, Injury, and Infarction Patterns
9. Pacemaker Function and Malfunction
10. Pharmacological and Electrical Interventions
Introduction
The NYU Langone ECG Examination is the comprehensive
competency assessment designed to evaluate the healthcare
professional's mastery of electrocardiogram interpretation in
clinical settings. This exam assesses foundational knowledge of
cardiac electrophysiology, recognition of normal and abnormal
rhythms, and application of diagnostic reasoning in real-world
scenarios. The multiple-choice and scenario-based format
requires candidates to demonstrate critical thinking in rhythm
identification, interval measurement, ischemia recognition, and
,emergency response. This examination ensures that candidates
possess the knowledge and skills required to safely monitor
patients, interpret ECG tracings, and collaborate with
interdisciplinary teams in the management of cardiac conditions.
SECTION ONE: QUESTIONS 1–100
1. A delayed conduction of the AV node is manifested by
which of the following?
A. Widened QRS complex
B. Inverted P wave
C. Absence of a P wave
D. Prolonged PR interval
Correct Answer: D
RATIONALE: Delayed conduction through the atrioventricular
(AV) node results in a prolonged PR interval, as the delay occurs
between atrial depolarization (P wave) and ventricular
depolarization (QRS complex). The PR interval represents the
time from the onset of atrial depolarization to the onset of
ventricular depolarization, which includes conduction through the
AV node, bundle of His, and Purkinje fibers.
2. Which node independently conducts at a rate of 40-60
beats per minute in an adult patient?
A. Sinoatrial (SA) node
B. Bundle of His
C. Purkinje fibers
D. Atrioventricular (AV) node
Correct Answer: D
RATIONALE: The AV node has an intrinsic firing rate of 40-60
beats per minute. When the SA node fails or its impulses are
,blocked, the AV node serves as the heart's secondary pacemaker
at this rate.
3. Which node independently conducts at a rate of 60-100
beats per minute?
A. Atrioventricular (AV) node
B. Sinoatrial (SA) node
C. Bundle of His
D. Purkinje fibers
Correct Answer: B
RATIONALE: The SA node is the primary pacemaker of the
heart with an intrinsic firing rate of 60-100 beats per minute. It
initiates the electrical impulse that normally drives the heart
rhythm.
4. What does the P wave represent on an ECG?
A. Ventricular depolarization
B. Atrial depolarization
C. Ventricular repolarization
D. Atrial repolarization
Correct Answer: B
RATIONALE: The P wave is the first small upward deflection in
a cardiac cycle and represents the depolarization (contraction) of
the atria. Atrial repolarization is usually hidden within the QRS
complex.
5. The QRS complex corresponds to which electrical event?
A. Atrial depolarization
B. Ventricular repolarization
C. Ventricular depolarization
D. The pause between heartbeats
, Correct Answer: C
RATIONALE: The QRS complex is the large, sharp waveform
that represents the rapid depolarization (contraction) of the
ventricles.
6. The T wave represents which of the following?
A. Atrial depolarization
B. Ventricular depolarization
C. Atrial repolarization
D. Ventricular repolarization
Correct Answer: D
RATIONALE: The T wave represents the repolarization
(recharging/relaxation) of the ventricles.
7. What is the normal duration of the PR interval?
A. 0.06 - 0.10 seconds
B. 0.12 - 0.20 seconds
C. 0.20 - 0.30 seconds
D. Less than 0.12 seconds
Correct Answer: B
RATIONALE: The PR interval is measured from the start of the
P wave to the start of the QRS complex. A normal duration is
0.12 to 0.20 seconds (3-5 small boxes).
8. What is the normal duration of the QRS interval?
A. 0.12 - 0.20 seconds
B. 0.20 - 0.30 seconds
C. Below 0.12 seconds
D. 0.06 - 0.10 seconds
Correct Answer: C
RATIONALE: The normal QRS duration is less than 0.12
UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS
RATIONALES 2026 Q&A |
INSTANT DOWNLOAD PDF
Core Domains
1. Cardiac Anatomy and Electrophysiology
2. EKG Interpretation Fundamentals and Waveform Analysis
3. Sinus Rhythms and Heart Rate Calculation
4. Atrial Rhythms and Arrhythmias
5. Junctional Rhythms
6. Ventricular Rhythms and Lethal Arrhythmias
7. Heart Blocks and Conduction Disturbances
8. Ischemia, Injury, and Infarction Patterns
9. Pacemaker Function and Malfunction
10. Pharmacological and Electrical Interventions
Introduction
The NYU Langone ECG Examination is the comprehensive
competency assessment designed to evaluate the healthcare
professional's mastery of electrocardiogram interpretation in
clinical settings. This exam assesses foundational knowledge of
cardiac electrophysiology, recognition of normal and abnormal
rhythms, and application of diagnostic reasoning in real-world
scenarios. The multiple-choice and scenario-based format
requires candidates to demonstrate critical thinking in rhythm
identification, interval measurement, ischemia recognition, and
,emergency response. This examination ensures that candidates
possess the knowledge and skills required to safely monitor
patients, interpret ECG tracings, and collaborate with
interdisciplinary teams in the management of cardiac conditions.
SECTION ONE: QUESTIONS 1–100
1. A delayed conduction of the AV node is manifested by
which of the following?
A. Widened QRS complex
B. Inverted P wave
C. Absence of a P wave
D. Prolonged PR interval
Correct Answer: D
RATIONALE: Delayed conduction through the atrioventricular
(AV) node results in a prolonged PR interval, as the delay occurs
between atrial depolarization (P wave) and ventricular
depolarization (QRS complex). The PR interval represents the
time from the onset of atrial depolarization to the onset of
ventricular depolarization, which includes conduction through the
AV node, bundle of His, and Purkinje fibers.
2. Which node independently conducts at a rate of 40-60
beats per minute in an adult patient?
A. Sinoatrial (SA) node
B. Bundle of His
C. Purkinje fibers
D. Atrioventricular (AV) node
Correct Answer: D
RATIONALE: The AV node has an intrinsic firing rate of 40-60
beats per minute. When the SA node fails or its impulses are
,blocked, the AV node serves as the heart's secondary pacemaker
at this rate.
3. Which node independently conducts at a rate of 60-100
beats per minute?
A. Atrioventricular (AV) node
B. Sinoatrial (SA) node
C. Bundle of His
D. Purkinje fibers
Correct Answer: B
RATIONALE: The SA node is the primary pacemaker of the
heart with an intrinsic firing rate of 60-100 beats per minute. It
initiates the electrical impulse that normally drives the heart
rhythm.
4. What does the P wave represent on an ECG?
A. Ventricular depolarization
B. Atrial depolarization
C. Ventricular repolarization
D. Atrial repolarization
Correct Answer: B
RATIONALE: The P wave is the first small upward deflection in
a cardiac cycle and represents the depolarization (contraction) of
the atria. Atrial repolarization is usually hidden within the QRS
complex.
5. The QRS complex corresponds to which electrical event?
A. Atrial depolarization
B. Ventricular repolarization
C. Ventricular depolarization
D. The pause between heartbeats
, Correct Answer: C
RATIONALE: The QRS complex is the large, sharp waveform
that represents the rapid depolarization (contraction) of the
ventricles.
6. The T wave represents which of the following?
A. Atrial depolarization
B. Ventricular depolarization
C. Atrial repolarization
D. Ventricular repolarization
Correct Answer: D
RATIONALE: The T wave represents the repolarization
(recharging/relaxation) of the ventricles.
7. What is the normal duration of the PR interval?
A. 0.06 - 0.10 seconds
B. 0.12 - 0.20 seconds
C. 0.20 - 0.30 seconds
D. Less than 0.12 seconds
Correct Answer: B
RATIONALE: The PR interval is measured from the start of the
P wave to the start of the QRS complex. A normal duration is
0.12 to 0.20 seconds (3-5 small boxes).
8. What is the normal duration of the QRS interval?
A. 0.12 - 0.20 seconds
B. 0.20 - 0.30 seconds
C. Below 0.12 seconds
D. 0.06 - 0.10 seconds
Correct Answer: C
RATIONALE: The normal QRS duration is less than 0.12
