Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Doppler sample in the internal carotid artery. Peak systolic (PS) velocity −217.2 cm/s, end diastolic velocity (ED) 54.6 cm/s. Temporal average max (TAMx) = −104.5 cm/s, temporal average mean (TAMn) = −56.9 cm/s, pulsatility index = 1.56, resistive index = 0.75, systolic/diastolic (S/D) ratio = 3.98, acceleration time (T) = 0.025 seconds.
