CET EKG Technician Skills and Knowledge Base 4

Question 1

Which EKG finding is associated with hyperkalemia?

Accepted Answer

Tall, peaked T waves

Answer

Hyperkalemia (elevated potassium) characteristically produces tall, narrow, peaked T waves on the EKG.

Question 2

During a stress EKG test, the technician's primary responsibility is to:

Accepted Answer

Monitor the patient's EKG and vital signs continuously

Answer

The EKG technician's role during stress testing is to continuously monitor the tracing and vital signs and report changes to the supervising physician.

Question 3

A patient on digoxin therapy may show which classic EKG change?

Accepted Answer

Scooped ST depression (Salvador Dali sign)

Answer

Digoxin produces a characteristic scooped or 'Salvador Dali' ST segment depression, sometimes called the digitalis effect.

Question 4

Which lead system uses leads I, II, and III together to form an equilateral triangle around the heart?

Accepted Answer

Einthoven's triangle

Answer

Einthoven's triangle is formed by leads I, II, and III, with the heart at the center and each limb electrode at a corner.

Question 5

What is the correct action if a patient reports chest pain during a resting EKG procedure?

Accepted Answer

Stop the procedure and immediately alert the nurse or physician

Answer

Chest pain during EKG acquisition requires immediate notification of clinical staff; the technician must not continue without informing the care team.

(CET) Certified EKG Technician Practice Test

(CET) Certified EKG Technician Practice Test

CET EKG Technician Skills and Knowledge Base 4