In Third Degree Heart Block:

[jayhills49]

Excellent

[okolip]

Great! Please up vote

[Mimi]

Which of the following is NOT a feature of Classical Type II Second Degree Heart Block?
◦ The PRI is consistent on conducted beats.
◦ Not all the P waves produce QRS complexes.
◦ The PRI varies, with no obvious pattern.
◦ There are always more P waves than QRS complexes.

[morganmarie791]

The PRI varies, with no obvious pattern.

[AEWBW]

In Third Degree Heart Block, the pacemaker can be in either the:
◦ SA node or atria.
◦ AV junction or ventricles.
◦ SA node or ventricles.
◦ atria or AV junction.

[frankwu0507]

AV junction or ventricles.

[AEWBW]

Excellent

[frankwu0507]

Great! Please up vote

[dmcintosh]

The most serious of the four AV blocks is:
◦ Third Degree.
◦ Wenckebach (Type I Second Degree).
◦ Type II Second Degree.
◦ First Degree.

[lorealeza77]

Third Degree.