1. When the EKG shows there is no relationship between the P wave and the QRS complex, you should suspect: a. First-degree block b. Second-degree block c. Third-degree block d. Electromechanical...

1. When the EKG shows there is no relationship between the P wave and the QRS complex, you should suspect:

a. First-degree block

b. Second-degree block

c. Third-degree block

d. Electromechanical dissociation

2. Wenckebach differs from complete heart block in that CHB usually has a:

a. Faster rate     c. Constant PR interval

b. Normal QRS   d. Regular RR interval