Question
The chest leads marked in the ECG image,looks at the electrical activity of the heart from which surface?
A. Lateral.
B. Septal.
C. Inferior.
D. Anterior.
Show Answer
|
Correct Answer » B Explanation |
 |
Ans: B. Septal
| Category | Leads | Activity |
|---|---|---|
| Inferior leads’ | Leads II, III and aVF | Look at electrical activity from the vantage point of the inferior surface (diaphragmatic surface of heart) |
| Lateral leads | I, aVL, V5 and V6 | Look at the electrical activity from the vantage point of the lateral wall of left ventricle |
| Septal leads | V1 and V2 | Look at electrical activity from the vantage point of the septal surface of the heart (interventricular septum) |
| Anterior leads | V3 and V4 | Look at electrical activity from the vantage point of the anterior wall of the right and left ventricles |