Practice Quiz

CSC Cardiac Nursing Subspecialty

Category - Problems

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Which heart block may be an incidental finding in asymptomatic individuals and is not associated with an increase in mortality and morbidity?
  1. Third-degree heart block
  2. Mobitz type I second-degree heart block
  3. First-degree heart block
  4. Mobitz type II second-degree heart block
Explanation
Answer: C - First-degree heart block is not associated with an increase in morbidity and mortality; the other heart blocks are. First-degree heart block is defined as a delay in conduction of impulses from the sinoatrial (SA) node to the atrioventricular (AV) node. The condition is typically asymptomatic and undiagnosed. It can occur in individuals of all ages.
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