Multiple Choice
The most telling sign of bundle branch block is
A) a wide QRS complex, at least 0.12 seconds or more in duration.
B) notching of the QRS complexes.
C) more P waves than QRS complexes.
D) T waves that take an opposite direction to the R waves.
Correct Answer:

Verified
Correct Answer:
Verified
Q11: Left anterior hemiblock results in right axis
Q12: One indicator of RBBB is an R,
Q13: Incomplete bundle branch block occurs when:<br>A) one
Q14: Activation of the septum produces:<br>A) small R
Q15: As the impulse moves through the left
Q17: Bundle branch block occurs only in:<br>A) ventricular
Q18: LBBB usually indicates underlying cardiac pathology.
Q19: Bifascicular block is a conduction disturbance in
Q20: Hemiblocks cause:<br>A) axis deviation.<br>B) wide, notched QRS
Q21: LBBB can be caused by anterior wall