Cardiac Vascular Nursing Certification Practice Exam 2026 – Your All-in-One Guide to Exam Success!

The leads that are commonly associated with the inferior part of the heart on an ECG are indeed the leads positioned at II, III, and aVF. These leads provide valuable information about the inferior wall of the left ventricle, which is primarily supplied by the right coronary artery in a right-dominant coronary system.

The placement of these leads allows for the monitoring of electrical activity from the inferior aspect of the heart. When evaluating an ECG, changes in these leads can indicate conditions such as inferior myocardial infarctions or ischemia. The significance of these leads cannot be understated, as they play a crucial role in diagnosing cardiac events that affect the lower wall of the heart.

Other lead combinations like I, aVL, V5, and V6 primarily focus on the lateral aspect of the heart. V1 and V2 correspond more closely to the anterior region, often reflecting the activity of the ventricular septum, while leads V3 and V4 monitor the anterior wall of the left ventricle. By understanding the specific regions each group of leads represents, healthcare professionals can accurately assess cardiac conditions based on the findings in the ECG.