- Carriers are referred for structured cardiology surveillance: echocardiogram and cardiac MRI on a defined cadence, plus Holter monitoring when a rhythm disorder is suspected.
- For specific high-risk channelopathy variants, an electrophysiologist evaluates whether an implantable cardioverter defibrillator (ICD) is indicated.
- Family cascade testing identifies relatives who may also benefit from surveillance.
- Lifestyle and competitive-sport recommendations are individualized per variant by the treating cardiologist.
- GenDG §7