Total Emboli Status No Existing Standard Category Transcranial Doppler Common Name Total Emboli Label None Description Complete detection of emboli post evaluation of multiple images of potential embolic signals. Background…

Transmit Power Status No Existing Standard Category Transcranial Doppler Common Name Transmit Power Label POWER Description The acoustic output intensity - power being put out to the sample; indicates signal…

Sample Length Status No Existing Standards Category Transcranial Doppler Common Name Sample Length Label None Description Axial length of the sample volume; used to adjust the size of the Doppler…

Sample Depth Status No Existing Standards Category Transcranial Doppler Common Name Sample Depth Label DEPTH Description Distance from the probe at which the center of the Doppler sample volume is…

Pulsatility Index Status No Existing Standards Category Transcranial Doppler Common Name Pulsatility Index Label PI Description (PEAK - DIAS)/MEAN Background This measurement is derived from several measurements based on the…

Mean Velocity Status No Existing Standards Category Transcranial Doppler Common Name Mean Velocity Label MEAN Background This measurement is derived from the spectral envelope. Devices Spencer TCD Units cm/sec Metadata…

Diastolic Velocity Status No Existing Standards Category Transcranial Doppler Common Name Diastolic Velocity Label DIAS Description Average velocity at end of diastole over 4 sec interval. Background This measurement is…

Peak Velocity Status No Existing Standard Category Transcranial Doppler Common Name Peak Velocity Label PEAK Description Average peak systolic velocity calculated over 4 sec interval. Background This measurement is derived…

Spectral Envelope Status No Existing Standard Category Transcranial Doppler Common Name Spectral Envelope Label ENVLP Description The envelope function is a trace on the spectrogram display that continuously tracks the…

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…