Which of the following are considered to be precordial leads?
I. Lead I, II, III
II. AVR, aVL, aVF
III. V1, V2, V3, V4, V5, V6
A) I only
B) I and II only
C) I, II, and III
D) III only

Question

Which of the following are considered to be precordial leads? 
I. Lead I, II, III
II. AVR, aVL, aVF
III. V1, V2, V3, V4, V5, V6
A) I only
B) I and II only
C) I, II, and III
D) III only

Quizplus · Accepted Answer

Precordial leads specifically refer to the chest leads, which are V1, V2, V3, V4, V5, and V6. Leads I, II, III, aVR, aVL, and aVF are limb leads.

Which of the Following Are Considered to Be Precordial Leads