What are Adenosine's Indication(s) and contraindication(s)?
Indication: Supraventricular tachycardia
Contraindications: Second or third degree block, Sick sinus syndrome
Sick sinus syndrome is the name for a group of arhythmias, in which the sinus node doesn't work properly. This includes sinus arrest, sinus node exit block, sinus bradycardia, and other types of bradycardia.