Magnetic resonance arteriogram (MRA)
A type of MRI used to visualize the blood vessels in the brain to screen for aneurysms; it is similar to an MRI scan but does not use contrast dye...
Magnetic resonance imaging (MRI)
A screening test that uses a powerful magnetic field, radio frequency pulses and a computer to produce detailed pictures of the inside of the body....
Microscopic hematuria
Small amounts of blood in the urine.
Mitral valve prolapse (MVP)
Occurs when the valve between your heart’s left upper chamber (left atrium) and the left lower chamber (left ventricle) doesn’t close properly....
Mutation
An unintended change or typo in a person’s genetic code....