The PR interval in Figure 18 
A) Is constant.
B) Varies.
C) Is about 0.12 seconds.
D) Is about 0.20 seconds.
Correct Answer:
Verified
Q6: In which kind of AV block do
Q12: Complete heart block is another name for
A)Wenckebach.
B)Mobitz
Q13: Wenckebach is a type of
A)First-degree AV block.
B)Second-degree
Q14: Third-degree AV block has
A)One P wave to
Q15: In AV blocks,the P-P interval is
A)Regular.
B)Irregular.
C)Absent.
D)The same
Q17: The rhythm in Figure 18 is
Q18: In first-degree AV block,the site of the
Q19: In Figure 18,which of the heart's pacemakers
Q20: 2:1 AV block can be either
A)Third-degree AV
Q21: Treatment for third-degree AV block usually includes
A)Digitalis.
B)Lidocaine.
C)Amiodarone.
D)Pacemaker.
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