This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Preoperative assessment and monitoring in anaesthesia, Subject name: Anaesthesia
[{'content': 'All are the Complication of CVP line except - \nSelect and explain. \nA. Airway injury, B. Haemothroax, C. Air embolism, D. Septicemia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: IMMEDIATE: Failure of procedure Pneumothorax Haemothorax Retroperitoneal haematoma Aerial puncture Local haematoma Guidewire-induced arrhythmia Thoracic duct injury Guide wire embolism Air embolism EARLY: catheter blockage chylothorax catheter knots LATE: Infection : 2.5 infections/ 1000 catheter days catheter fracture vascular erosion vessel stenosis thrombosis osteomyelitis of clavicle (sub clan access)', 'role': 'assistant'}]