Sick sinus syndrome
- G1Asymptomatic, intervention not indicated
- G2Symptomatic, intervention not indicated; change in medication initiated
- G3Symptomatic, intervention indicated
- G4Life-threatening consequences; urgent intervention indicated
- G5Death
Definition and note
DefinitionA disorder characterized by a dysrhythmia with alternating periods of bradycardia and atrial tachycardia accompanied by syncope, fatigue and dizziness.
MedDRA code (LLT): 10040639 · CTCAE v6.0 (NCI), original English text.