An MRI (magnetic resonance imaging) machine is a large, tube-shaped device that uses a powerful magnetic field and radio waves to create clear pictures of organs and inside body parts. It helps doctors find health issues safely without using X-rays.

An MRI (magnetic resonance imaging) machine is a large, tube-shaped device that uses a powerful magnetic field and radio waves to create clear pictures of organs and inside body parts. It helps doctors find health issues safely without using X-rays. 
How It Works
Strong magnets: -
Pull water molecules and tiny particles in your body into alignment.
Radio waves: -
Send pulses that knock those particles out of place for a brief moment.
Computer mapping: -
Measures how long it takes particles to return and turns that data into detailed pictures. 
What to Expect During a Scan
Preparation: -
Remove all metal items like jewelry or watches, and wear a hospital gown.
Positioning: -
Lie very still on a sliding table that moves into the tube scanner.
Noise:-
 The machine makes loud thumping or knocking sounds, so earplugs are provided.
Duration: -
Most scans take between 30 and 50 minutes. 
Safety and Risks
Metal objects: -
The heavy magnet can pull metal or cause medical implants like pacemakers to fail.
Open options: -
Open MRI machines are built wider for people who feel scared of small spaces. 
MJF Lion ER YK Sharma 

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