This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
[{'content': 'Pericardiocentesis is done in wich intercoastal space- \nSelect and explain. \nA. Left 5th intercostals space, B. Left 7th intercostals space, C. Right 5th intercostals space, D. Right 6th intercostals space', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Pericardiocentesis (pericardial aspiration) : Aspiration of pericardial effusion is indicated for diagnostic purpose or for treatment of cardiac tanponade. A needle is inseed under echocardiographic guidance medial to the cardiac apex (Lt 5th ics ) or below the xiphoid process, directed upwards towards the left shoulder. Ref: Medicine , Davidson&;s , 22nd edition, Pg No: 640', 'role': 'assistant'}]