Sudden Cardiac Death (SCD) occurs when the heart suddenly stops beating due to a dangerous abnormal heart rhythm (arrhythmia). It is a major cause of death worldwide and can affect people of any age, including those who appear healthy. Although a family history of SCD increases the risk, some individuals may develop SCD even without a known genetic predisposition.
Who should consider this test
- Family history of sudden cardiac death
- Cardiomyopathy (heart muscle disease)
- Known or suspected inherited arrhythmias
- Unexplained fainting (syncope) or seizures, especially during exercise
- Abnormal ECG findings such as prolonged QT interval, Brugada pattern, or significant bradycardia
- Survivors of unexplained sudden cardiac arrest
- First-degree relatives of individuals diagnosed with inherited cardiac disorders or SCD
What the test provides
- Identifies inherited genetic variants associated with SCD
- Helps assess risk for patients and family members
- Supports early diagnosis and preventive management
- Guides treatment decisions and family screening
- Enables timely lifestyle modifications and cardiac surveillance
Early genetic diagnosis can help identify individuals at risk and facilitate preventive measures that may reduce the likelihood of sudden cardiac events.