This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Anaesthesia
[{'content': 'False statement about post-dural puncture headache (PDPH): \nSelect and explain. \nA. Breach of dura, B. Onset of headache is usually 12-72 hours following procedure, C. Commonly occipito - frontal in location, D. Headache is relieved in sitting standing position', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Post Dural puncture Headache Pathophysiology - CSF leak - ICP |es - Traction on nerve fibres originating from piamater Site - Occipital > Frontal > Retrorbital Duration - 7-10 days Pathognomic sign - Change in posture aggravates headache Predisposing conditions - Dura cutting needle (spinal needle)* Most commonly seen with 22G Quincke needle Wide bore needle * Multiple attempts * Pregnancy (In pregnancy dura mater is very fragile- venous engorgement fragility increases chances of PDPH is more) Note- Early ambulation never predispose to PDPH', 'role': 'assistant'}]