External carotid artery - normal Doppler waveform

Case contributed by Dr Bruno Di Muzio

Patient Data

Age: 30 years
Gender: Male

Carotid Doppler ultrasound

Ultrasound

The external carotid artery has systolic velocities higher than the internal carotid artery, and its waveform is characterized by a sharp rise in flow velocity during systole with a rapid decline toward the baseline and finally return to diminished diastolic flow.

Case Discussion

The external carotid artery has systolic velocities higher than the internal carotid artery, and its waveform is characterized by a sharp rise in flow velocity during systole with a rapid decline toward the baseline and finally return to diminished diastolic flow.

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