Question

Number of electrodes in chest leads for a 12-Lead EKG? Name the electrodes.

A) 6 electrodes; V1 to V6
B) 4 electrodes; V1 to V4
C) 8 electrodes; V1 to V8
D) 10 electrodes; V1 to V10

Answer 1

A 12-lead EKG uses 6 chest electrodes designated as V1 to V6. Alongside four limb electrodes, they provide detailed information on the heart’s electrical activity, essential for diagnosis.

Step-by-step explanation:

The correct answer to the question about the number of electrodes in chest leads for a 12-Lead EKG is A) 6 electrodes; V1 to V6. In a standard 12-lead ECG, there are six electrodes placed on the chest, specifically designated as V1, V2, V3, V4, V5, and V6.

These electrodes are crucial in observing the heart's electrical activity from different angles and are complemented by additional electrodes placed on the limbs for a complete 12-lead view. In total, the 12-lead ECG uses 10 electrodes: the six chest leads and four limb leads. Combining the voltages from these electrodes provides a comprehensive picture of the heart's electrical function, valuable for diagnosing various cardiac conditions.