Syncope refers to a sudden, transient loss of consciousness due to decreased blood flow to the brain. In children and adolescents, cardiac abnormalities causing syncope are rare, and the most common causes are autonomic syncope, vasovagal syncope, and postural hypotension. Evaluation of syncope in children aims to determine if there is an increased risk of sudden cardiac death. Factors suggesting a cardiac cause include lack of prodrome, palpitations, exercise-induced syncope, family history of cardiac issues or early death, and prior known cardiac disease. These patients should be referred to a cardiologist to evaluate for potential inherited cardiac conditions like Brugada syndrome or long QT syndrome.