Key Learning Points
Sinus Block-Arrest
Introduction Page 1
- Sinus Block/Arrest are normally benign.
- Possible causes are: myocardial infarction, hypoxia, increased vagal tone, drugs.
- The main issue which differentiates Sinus Block from Sinus Arrest is the health of the sinus node.
Sinus Block Characteristics Page 2
- The sinus node is healthy in Sinus Block.
- The healthy sinus node continues its regular cadence.
- The P wave following the block will match sinus node cadence.
