Patient Care Technician (PCT) AAH Practice Exam

Which leads on an ECG specifically view the septal region of the heart?

1. V3 and V4

2. V1 and V2

3. I and aVF

4. II and III

The correct answer is: V1 and V2

The correct answer highlights the role of V1 and V2 leads in specifically monitoring the septal region of the heart. These leads are placed in the right and left fourth intercostal spaces next to the sternum, and they provide a direct view of the heart's anterior wall and the interventricular septum. During an electrocardiogram (ECG), these leads allow for precise analysis of electrical activity originating from the septal wall. This is crucial for diagnosing conditions such as septal myocardial infarctions or other abnormalities that may affect this area. In contrast, the other lead combinations focus on different areas of the heart. V3 and V4 primarily view the anterior wall, while I and aVF assess lateral and inferior aspects, respectively. Similarly, II and III capture information from the inferior lead perspective. Understanding the specific regions each lead targets is fundamental for effective interpretation of ECG results and ensuring accurate diagnoses.