Muscular dysplasia is a condition that occurs when a short segment of a blood vessel narrows due to an abnormal thickening of the blood vessel wall. When muscular dysplasia affects the blood vessels that feed the brain, it can lead to a stroke.

Ultrasound is a safe and widely used imaging diagnostic technique today. Duplex ultrasound is a combination of normal ultrasound and Doppler, very effective in diagnosing cardiovascular diseases in general, as well as venous diseases in particular.