Bedside Investigations

Capillary blood glucose – To be performed in any patient with altered mental status or transient loss of consciousness.

Electrolytes – Low potassium levels have been associated with SCD in patients with Brugada syndrome⁷.

A 12-lead electrocardiogram (ECG) – This is essential for the diagnosis of Brugada syndrome. However, a normal ECG does not rule out Brugada syndrome⁸.

An ECG consistent with the Brugada pattern requires a referral and further workup by a cardiologist.

There are 3 patterns observed in the ECG.