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.
A Transcranial Doppler (TCD) exam uses ultrasound to evaluate the blood flow inside the head by examining the basal cerebral arteries. There are three cranial âwindowsâ used to obtain this information. For this test, an ultrasound transducer is placed over the temporal bone (in front of the ear), over the closed eyelid, and at the base of the skull in order to acquire signals.