Reviewer for ECG Competency Exam UPDATED ACTUAL Questions and CORRECT Answers

Reviewer for ECG Competency Exam
UPDATED ACTUAL Questions and
CORRECT Answers
Electrocardiogram is the graphic representation - CORRECT ANSWER - -Of the electrical
activity of the heart
-The amount of electrical activity produced by the heart
-The time required or the impulse to travel through the heart


How many leads does an ECG have - CORRECT ANSWER - 12 leads



ECG evaluate for an explanation of symptoms of - CORRECT ANSWER - -chest pain
-shortness of breath
-dizziness
-heart palpitation


ECG is used to - CORRECT ANSWER - -Evaluate for an explanation to symptoms of
chest pain, shortness of breath, dizziness or heart palpitations
-To detect abnormality in the hearts rhythm dysrhythmia
-To detect presence of impaired blood flow to the heart muscle known as myocardial ischemia.
The term ischemia refers to the deficiency of blood in the body part usually caused by blocked
artery
-To help diagnose damage to the heart from MI


The normal paper speed for an ECG tracing is - CORRECT ANSWER - 25mm/second



P-wave - CORRECT ANSWER - atrial depolarization