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....
Microscopic hematuria
Small amounts of blood in the urine.
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....
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...
Magnesium
A mineral in the body that is important for metabolism; a deficiency has been associated with high blood pressure....
