Skip to main content

Table 1 Normal transcranial doppler velocities in the middle cerebral arteries obtained through the temporal window in awake children without cardiovascular disease, expressed as mean +/- SD. (From 31).

From: Cerebral blood flow during cardiopulmonary bypass in pediatric cardiac surgery: the role of transcranial Doppler – a systematic review of the literature

Age Depth(mm) Mean velocity (cm/s) Peak systolic velocity (cm/s) End-diastolic velocity (cm/s)
0–3 mo 25 24–42+/-10 46–75+/-15 12–24+/-8
3–12 mo 30 74 +/- 14 114 +/- 20 46+/- 9
1–3 yr 35–45 85 +/- 10 124 +/- 10 65 +/- 11
3–6 yr 40–45 94 +/- 10 147 +/- 17 65 +/- 9
6–10 yr 45–50 97 +/- 9 143 +/- 13 72 +/- 9
10–18 yr 45–50 81 +/- 11 129 +/- 17 60 +/- 8