What factor differentiates second-degree AV block type II from complete heart block?
a. Only complete heart block can have a wide QRS complex
b. In second-degree AV block type II, the PRI is constant when conducting to the QRS. In complete heart block the PRI is not constant
c. Only second-degree AV block type II has more P waves than QRS complexes
d. There are no factors that differentiate second-degree AV block type II from complete heart block, these terms are synonymous.