Hart is located in southeastern Castro County at 34Â°23â²12â³N 102Â°6â²54â³W / 34.38667Â°N 102.11500Â°W / 34.38667; -102.11500 (34.386723, -102.115035), along Texas State Highway 194. Dimmitt, the county seat, is 16 miles (26 km) to the northwest, and Plainview is 28 miles (45 km) to the southeast.
An intracranial neurovascular exam is also known as a Transcranial Doppler (TCD) study. TCD is a non-invasive, painless ultrasound technique that uses high-frequency sound waves to measure the rate and direction of blood flow inside vessels.CD is a non-invasive, painless ultrasound technique that uses high-frequency sound waves to measure the rate and direction of blood flow inside vessels.
Transcranial Doppler insonation of the cerebral circulation. Transcranial doppler ultrasound analyzer of blood velocity. The Transcranial Doppler (TCD) and the more recent transcranial color Doppler (TCCD) are tests that measure the velocity of blood flow through the brain 's blood vessels.unctional transcranial Doppler sonography (fTCD) is a neuroimaging tool for measuring cerebral blood flow velocity changes due to neural activation during cognitive tasks.