Question

How many electrodes are generally positioned on chest during recording of ECG?

• A. 4
• B. 5
• C. 6
• D. 8

Hint:

Standard ECG uses limb electrodes plus a set of precordial (chest) leads.

Answer 1

The Correct Option is C

Step 1: Understanding the Concept
A standard 12-lead ECG uses 3 limb electrodes plus chest electrodes for the precordial leads.

Step 2: Key Point
The precordial leads are V1 to V6.
Each lead needs one chest electrode position.

Step 3: Compare the options
So six electrodes are placed on the chest.

Final Answer:
Six electrodes are placed on the chest during ECG. \[ \boxed{\text{(C) }6} \]