system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Contrast used for MRI: September 2012, March 2013
assistant
The correct answer is  Ans. B i.e. Gadolinium MRI MC contrast agent used in MRI: Gadolinium DTPA C/I to MRI: - Cardiac pacemakers, - Aneurysmal clips etc. Faradays cage: MRI rooms are shielded by continuous sheets of copper or aluminium from interference by external electromagnetic radiation.