EMS 12-Lead - LAFB Flashcards
1
Q
In addition to serving as a cartilaginous skeleton of the heart, what other f(x) does cardiac cartilage serve?
A
- Electrically insulates the atria and ventricles. Therefore, the only “legit” way the atria and ventricles communicate is via the conduction system.
2
Q
The fibrous skeleton of the heart is comprised of ______.
A
Collagen
3
Q
Why do the anterior and posterior fascicles “fan out” through the left ventricle?
A
The left ventricle is a large mass of muscle, so it requires widespread innervation.”
4
Q
Explain the ECG findings in. LAFB
A
- Supraventricular rhythm
- Lengthened QRS, but under 120 ms
- qR: I and aVL
- rS: III aVF
- L axis deviation
5
Q
Diagnose this condition.
A
LAFB
