Questions – The Premier EKG Resource for Medical Professionals – EKG MD – Dr. Anthony Kashou

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Which of the following is a precordial lead?

Correct! Wrong!

https://www.youtube.com/watch?v=PmUxWneBuEI&t=1s

Which of the following represents the direction of the normal P wave axis?

Correct! Wrong!

In which direction is the normal mean ventricular (QRS) axis directed?

Correct! Wrong!

Which of the following is considered a tachycardic rate in adults?

Correct! Wrong!

Which of the following is considered normal sinus rate in adults?

Correct! Wrong!

Which of the following portion of the cardiac cycle represents ventricular repolarization?

Correct! Wrong!

Which of the following represents the first negative deflection after a P wave and is part of the QRS complex?

Correct! Wrong!

Which of the following affects the QT interval?

Correct! Wrong!

Which of the following represents the normal duration of the QRS interval?

Correct! Wrong!

Which of the following are considered lateral leads?

Correct! Wrong!

CLINICAL CASE: Patient complains of pleuritic chest pain. ECG shows diffuse ST elevation & PR depression along with ST depression & PR elevation in aVR. What are you thinking?

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Which of the following is a mid-precordial lead?

Correct! Wrong!

Name that rhythm: regular, wide QRS complex rhythm at 142 BPM with no P waves present

Correct! Wrong!

What is the normal intrinsic rate of the AV node in adults?

Correct! Wrong!

Which of the following is considered a tachycardic rate in adults?

Correct! Wrong!

In which of the following are U waves more often seen?

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True or false: Normal sinus rhythm originates from the AV node.

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Which of the following is NOT part of ventricular depolarization?

Correct! Wrong!

Which of the following depolarizes first in normal sinus rhythm?

Correct! Wrong!

Which of the following can be seen in complete right bundle branch block?

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What is the first positive deflection after a P wave and part of the QRS complex?

Correct! Wrong!

Name that rhythm: sinus origin with constant, prolonged PR interval and no dropped beats

Correct! Wrong!

Which of the following does the left anterior descending coronary artery most often supply?

Correct! Wrong!

Which of the following lead sits at 0 degrees in the frontal plane?

Correct! Wrong!

Name that rhythm: AV junction origin with a rate of 46 BPM (adult patient)

Correct! Wrong!

Which of the following is an inferior lead?

Correct! Wrong!

True or false: T-wave inversions are always considered ischemic.

Correct! Wrong!

Name that rhythm: sinus rhythm at a rate of 42 BPM

Correct! Wrong!

Which of the following coronary artery anatomy is more common?

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Which of the following does the P wave represent?

Correct! Wrong!

Which of the following is NOT a true interval?

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Which of the following most often supplies the sinus node?

Correct! Wrong!

Which of the following is a sign of acute myocardial ischemia?

Correct! Wrong!

Which of the following represents ventricular depolarization?

Correct! Wrong!

Which of the following is NOT a conventional lead on the standard 12-lead ECG?

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Which of the following is likely seen in an inferior acute myocardial infarction?

Correct! Wrong!

Which of the following represents ventricular repolarization?

Correct! Wrong!

Which of the following is seen in right bundle branch block?

Correct! Wrong!

Which of the following suggests right ventricular hypertrophy?

Correct! Wrong!

What do P waves with an amplitude of 3 mm in lead II suggest?

Correct! Wrong!

What does P-pulmonale often suggest?

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Which of the following is considered a right precordial lead?

Correct! Wrong!

ECG shows ST elevation in II, III, & aVF with reciprocal ST depression in I & aVL. What are you thinking?

Correct! Wrong!

Which of the following is a left-lateral limb lead?

Correct! Wrong!

Fill in the blank: PR interval = P wave + _____

Correct! Wrong!

Which valve is between the left atrium & left ventricle?

Correct! Wrong!

True or false: Right bundle branch block may be seen in normal, healthy individuals.

Correct! Wrong!