<prompt> Besides ECG, what other studies are required to diagnose Brugada syndrome?Stress testHolter monitorAngiogramEchocardiography  <response>: Option A: Stress test is not done if patient have risk of sudden cardiac death. Option B: Holter monitoring only use to identify tachyarrhythmias type of tachyarrhythmias Option D: Echo DD for Brugada is ARVD which is fibrofatty deposition in RV wall 