Question 1
Which of the following is a criterion for a diagnosis of BBB?
◦ P wave wider than the QRS
◦ More P waves than QRS complexes
◦ QRS of 0.12 seconds or greater
◦ Heart rate greater than 100
Question 2
In a hemiblock
◦ one of the fascicles of the left bundle branch is blocked.
◦ the patient has signs of cardiovascular collapse.
◦ the QRS is widened to at least 0.12 seconds.
◦ the axis is normal.