Understand MRI and CT differences, radiation, common uses and precautions before discussing imaging with your clinician. This guide explains the basics and helps you prepare sensible questions for your healthcare team.
What is the difference?
MRI uses magnetic fields and radiofrequency energy to create detailed images. CT uses X-rays and computer processing. Each has different strengths and is selected for a specific medical question.
Individual circumstances differ. Always follow your referring clinician’s advice and confirm test-specific instructions with the centre before visiting.
Does either scan use radiation?
CT exposes the patient to ionising radiation. MRI does not use ionising radiation, but strict magnetic safety screening is essential.
Individual circumstances differ. Always follow your referring clinician’s advice and confirm test-specific instructions with the centre before visiting.
When might CT be preferred?
CT is often used when rapid cross-sectional imaging is needed, including certain emergency assessments. The decision depends on clinical context, anatomy and available resources.
Individual circumstances differ. Always follow your referring clinician’s advice and confirm test-specific instructions with the centre before visiting.
When might MRI be preferred?
MRI can provide detailed soft-tissue information for selected brain, spine, joint and other examinations. Certain implanted devices or medical conditions may affect suitability.
Individual circumstances differ. Always follow your referring clinician’s advice and confirm test-specific instructions with the centre before visiting.
What should patients disclose?
Tell the team about pregnancy, implants, allergies, kidney conditions and prior contrast reactions when relevant. Your clinician and imaging team determine preparation and modality. Confirm local availability before booking.
Individual circumstances differ. Always follow your referring clinician’s advice and confirm test-specific instructions with the centre before visiting.
Questions before your visit?
Trilok Diagnostics is located at G-166, New Seelampur, Delhi. Please call to confirm current service availability, examination requirements and fees.
Related service information