Search

Clinical Articles / BY: Jasmine Grewal, MD, FRCPC September 2016
... ] The most common presenting symptom is breathlessness.[ 16 ] Syncope is an ominous prognostic symptom that portends a ... 20% of patients develop complete atrioventricular node conduction block by adulthood and require pacemaker ... In patients with prior surgery in the region of the sinus node or its arterial supply (e.g., patients who have ...