Transcranial Doppler
| Status | Exists in LOINC |
| Category | Transcranial Doppler |
| Common Name | Transcranial Doppler |
| Label | TCD |
| Description | Type of Doppler ultrasonography that measures the velocity of blood flow through the brain’s blood vessels. |
| Background | Transcranial doppler is a mode of imaging that conducts a spectral analysis of acoustic signals received. The test is relatively quick and inexpensive, and equipment has become increasingly portable. It is typically is used in conjunction with MRI, CT, or other scans, and is also used in cognitive neuroscience research. |
| Devices | Spencer TCD |
| Units | cm/sec |
| DataType | Waveform |
| Metadata | Conventional vs. Color-coded, Insonation Window, Arterial Pressure, Arterial Blood Gases, Core Temperature |