A stroke occurs when the blood supply to the brain is interrupted or there is bleeding in the brain. Within minutes, brain cells begin to die. It is urgent to seek emergency care at the first sign of a stroke. Early treatment saves many lives and reduces the effects of stroke.
Quick Answer. The purpose of taking an MRI scan of the lumbar spine is to treat or better diagnose problems with the spine, explains WebMD. Patients may need an MRI scan if they show symptoms such as back pain accompanied by fever, birth defects affecting the spine, injury to the lower spine, and persistent or severe lower back pain.
Magnetic Resonance Imaging (MRI). An MRI is a large imaging device that sits in its own room. It uses a harmless magnetic field and radio waves to get clear, sharp pictures of the inside of your brain.An MRI is used to detect bleeding in the brain, tumours or stroke. It is also an excellent device for detecting smaller strokes or strokes in the back of the brain, which other imaging devices can miss.MRI images show even more detail than CT scans, and can be viewed in 3-D on a computer screen.agnetic Resonance Imaging (MRI). An MRI is a large imaging device that sits in its own room. It uses a harmless magnetic field and radio waves to get clear, sharp pictures of the inside of your brain.