This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disease of pericardium, Subject name: Medicine
A 16-year-old boy was found to have a grade 2 ejection systolic murmur along the left sternal border, which decreased with squatting and increased with sudden standing. An ECG shows left ventricular hyperophy . His cousin brother died at the age of 20 years while playing hockey due to some hea disease. What is the recommendation regarding his paicipation in spos? 
Select and explain. 
A. Only non contact competitive spos is allowed, B. Paicipation in competitive spos is not allowed, C. Non contact competitive spos with beta-blocker therapy is allowed, D. High-intensity competitive spos are acceptable with beta-blocker therapy
B: Paicipation in competitive spos is not allowed
Answer: B: Paicipation in competitive spos is not allowed 
Explanation: This examination findings, ECG findings and family history are consistent with hyperophic cardiomyopathy. Diagnosis is typically done by echocardiogram. For people with HCM who don't have symptoms, Lifestyle changes and medications for conditions that may contribute to cardiovascular disease are recommended. Current recommendations are that competitive spos not be allowed in hyperophic cardiomyopathy. Low intensity spos may be allowed.