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DVT398-TC1
USIDMS Extracranial Carotid
| Term | Definition |
|---|---|
| An abnormal "blowing" or "swishing" sound heard with a stethoscope while auscultating over an artery such as the carotid | Bruit |
| A slight dilation involving variable portions of the distal common and proximal internal carotid arteries | Carotid Bulb |
| A signal processing technique that displays the complete frequency and amplitude content of the Doppler flow signal | Spectral Analysis |
| An episode of stroke-like neurologic symptoms that typically lasts for a few minutes to several hours and then resolves completely | Transient Ischemic Attack (TIA) |
| During a carotid ultrasound, the patient's head should be turned away from the side examined approximately how many degrees from midline? | 45 degrees from midline |
| Which transducer should be selected for a carotid ultrasound? | 7-4 MHz |
| If the transducer is angled more laterally, you are probably scanning which branch of the CCA? | Internal Carotid Artery |
| If the transducer is angled more medially, you are probably scanning which branch of the CCA? | External Carotid Artery |
| Which branch of the CCA is generally larger? | ICA |
| Which branch of the CCA also has branches? | ECA |