Table 1 Summary of the middle cerebral artery blood flow velocity and insonation depth in healthy volunteers and patients
From: Reproducibility of Transcranial Doppler ultrasound in the middle cerebral artery
Healthy Volunteers | |||
Velocity (cm/s) | Examination 1 | Examination 2 | Examination 3 |
 Peak | 75.70 ± 23.91 | 72.00 ± 20.28 | 82.75 ± 19.93 |
 Mean | 49.95 ± 15.30 | 47.05 ± 12.85 | 52.60 ± 11.73 |
 Diastolic | 34.70 ± 11.28 | 29.50 ± 10.65 | 35.45 ± 8.40 |
 MCA depth (mm) | 51.75 ± 2.65 | 51.75 ± 2.94 | 51.20 ± 2.93 |
Patients | |||
Velocity (cm/s) | Examination 1 | Examination 2 | Examination 3 |
 Peak | 73.70 ± 18.94 | 73.10 ± 16.62 | 71.20 ± 17.62 |
 Mean | 45.40 ± 11.79 | 45.20 ± 10.83 | 43.50 ± 9.96 |
 Diastolic | 27.30 ± 8.90 | 27.10 ± 8.14 | 25.60 ± 6.57 |
 MCA depth (mm) | 51.40 ± 5.33 | 51.55 ± 5.21 | 51.65 ± 5.24 |