This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Takotsubo Cardiomyopathy and Brugada Syndrome, Subject name: Medicine
Besides ECG, what other studies are required to diagnose Brugada syndrome? 
Select and explain. 
A. Stress test, B. Holter monitor, C. Angiogram, D. Echocardiography
D: Echocardiography
Answer: D: Echocardiography 
Explanation: 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 (D/D for Brugada is ARVD which is fibrofatty deposition in RV wall)