This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
[{'content': 'Not True regarding Sub Dural hematoma \nSelect and explain. \nA. Occurs on both sides, B. X-ray not visible, C. Surgery can be done, D. Unilateral surgery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Occurs on both sidesRef: Bailey and love, 27th ed; pg. 334-335 * Subdural hematoma is collection of blood between the dura and arachnoid layers of the meninges* Causes being Trauma leading to acute subdural hematoma and in elderly, even trivial trauma causes bleed who are on anticoagulation* Usually diagnosed with Non contrast CT brain which differentiates acute from chronic subdural hematoma* Acute subdural hematoma have characteristic finding of hyperdense concavo-convex lesion on side of the brain with or without midline shift* In acute conditions, urgent surgical evacuation is needed in the form of craniotomy or craniectomy.* Those presenting with chronic subdural hematomas, anticoagulation should be reversed by Vitamin K and steroids as conservative options. If severe, can undergo burr hole procedure to evacuate the clot.', 'role': 'assistant'}]