<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 16-year-old boy is brought to the physician because of a cough and clear nasal secretions over the past 2 days. He is not coughing up any sputum. He says that he is the quarterback of his high schools football team and wants to get back to training as soon as possible. The patients father had a myocardial infarction at the age of 45 years and underwent cardiac catheterization and stenting. The patient has no history of serious illness and takes no medications. His temperature is 37.8C 100F, pulse is 82min, and blood pressure is 11866 mm Hg. The lungs are clear to auscultation. Cardiac examination is shown. Which of the following is the most appropriate next step in management?? A: Echocardiography, B: Cardiac stress testing, C: Creatine kinase and troponin T, D: 24-hour ambulatory ECG monitoring, E: Reassurance,  <response>: This is a clinical case scenario involving a 16-year-old boy with a cough, clear nasal secretions, and no sputum production. He wants to return to football practice soon. His father had a myocardial infarction at a young age. The patient is otherwise healthy with no concerning findings on exam except for a low-grade fever. The question asks for the most appropriate next step in management. Choices include cardiac testing such as echocardiography, stress testing, cardiac enzymes, ambulatory ECG monitoring, and simple reassurance. Given the patients young age, lack of cardiac symptoms, and unremarkable exam, extensive cardiac workup is not indicated at this time. The low-grade fever and symptoms are most consistent with an upper respiratory infection. The most appropriate next step is simply to provide reassurance that his symptoms should resolve and he can return to activity when feeling better.E: Reassurance 