This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hypeension, Subject name: Medicine
[{'content': 'A 68 -year-old male, known case of HTN is brought unconscious. Upon arrival, the patient is found to have a Blood Pressure of 245/142. You decide to assess the patient for end-organ damage. Which of the following investigations would be least useful? \nSelect and explain. \nA. Serum Creatinine, B. CT pulmonary angiogram, C. 12-lead ECG, D. Fundoscopy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Option A: S. creatinine use to assess kidney damage Option B: CT pulmonary Angiogram not useful which is done in Pulmonary sequestration or in P.E Option C: 12-Lead ECG=LVH Option D: Fundoscopy=Papilledema', 'role': 'assistant'}]