EKG and Holter Competency Exam Questions With All Correct Answers Verified Answers 2025 Marking Scheme New Update

EKG and Holter Competency
Exam Questions With All Correct
Answers <Verified Answers> 2025
Marking Scheme New Update

How many leads are recorded? - CORRECT ANSWER-12 Lead

How many electrode are place on the body? - CORRECT ANSWER-10

Electrodes

Standard Bipolar Limb leads - CORRECT ANSWER-I, II, and III

Augmented Unipolar Leads - CORRECT ANSWER-aVR, aVL, and aVF

Precordial (chest) Leads - CORRECT ANSWER-V1, V2, V3, V4, V5, V6

V1 - CORRECT ANSWER-4th intercostal space, right sternal border of the

sternum

V2 - CORRECT ANSWER-4th intercostal space, left sternal border of the

sternum

V3 - CORRECT ANSWER-Equidistant between V2 and V4.

, V4 - CORRECT ANSWER-5th intercostal space, left of the midclavicular line

V5 - CORRECT ANSWER-5th intercostal space, left of the anterior axillary line

V6 - CORRECT ANSWER-5th intercostal space, left of the mid-axillary line

Lead I - CORRECT ANSWER-RA-________LA+

Right arm is negative and left arm is positive

Lead II - CORRECT ANSWER-RA-________LL+

Right arm is negative and left leg is positive

Lead III - CORRECT ANSWER-LA-________LL+

Left arm is negative and left leg is positive

aVR - CORRECT ANSWER-Augmented voltage right arm

Right arm is positive and other limbs are negative

Measured from the center of the heart to the right arm

aVL - CORRECT ANSWER-Augmented voltage left arm

Left arm is positive and other limbs are negative

Measured from the center of the heart to the left arm

aVF - CORRECT ANSWER-Augmented voltage foot

left arm is positive and other limbs are negative


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