Multiple Choice
Two conditions must exist to suspect BBB. First, the QRS complex must have an abnormal duration (120 ms or more in width) , and second:
A) a slurred upstroke of the QRS complex must exist.
B) the QRS complex must arise as the result of supraventricular activity.
C) an RSR' complex must be seen in leads V1-V6.
D) a QS pattern must be seen in leads I, II, and III.
Correct Answer:

Verified
Correct Answer:
Verified
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