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Neuropathy is a collection of disorders that occurs when nerves of the peripheral nervous system (the part of the nervous system outside of the brain and spinal cord) are damaged. The condition is generally referred to as peripheral neuropathy, and it is most commonly due to... READ MORE

Carotid Doppler Ultrasound (CDUS): A non-invasive test that uses sound waves to measure the flow of blood through the large carotid arteries that supply blood to the brain. The CDUS is a painless and harmless test that utilizes a handheld transducer which is passed lightly over... READ MORE

What is a transcranial doppler ultrasound (TCD)? TCD is a non-invasive ultrasound method used to examine the blood circulation within the brain.  During TCD, sound waves, inaudible to the human ear, are transmitted through the tissues of the skull. These sound waves reflect off... READ MORE