ECG 2

This ECG demonstrates which of the following?

• An isolated premature atrial contraction

• Junctional rhythm

• Normal sinus rhythm

• First degree AV block

This ECG demonstrates:

• 1st degree AV block

• 2nd degree AV block type 1

• 2nd degree AV block type 2

• 3rd degree AV block

How would you describe these premature ventricular contractions?

• Bigeminy

• Couplets

• Multifocal

• Trigeminy

Which of these describes a potentially life-threatening scenario?

• An isolated PVC

• Bigeminy PVCs

• R on T

• All of the above

Which of the following is true with respect to ventricular tachycardia?

• Cardiac output is not compromised

• It is always constant/sustained in nature

• It is defined as two or more consecutive PVCs

• It is a medical emergency

Which finding is suggestive of myocardial infarction?

• ST segment depression that resolves with rest

• T wave inversion

• ST segment elevation

• Normal Q waves

True or False. Acute pericarditis can also demonstrate ST-segment elevation.

• True

• False

Which AV block is considered a medical emergency?

• 1st degree

• 2nd degree type 1

• 2nd degree type 2

• 3rd degree

This ECG demonstrates:

• 1st degree AV block

• 2nd degree AV block type 1

• 2nd degree AV block type 2

• 3rd degree AV block

At what frequency of PVCs/minute should you stop treatment?

• 4

• 5

• 6

• 7