ACUSON Cypress™ Operator’s Manual 7-3
Overview of Vascular Measurements
Types of Specific Vascular Calculations
Table 33 shows the specific calculations for the different modes. The formulas
for each calculation are shown in Table 35 and Table 36.
NOTE There are no specific vascular calculations for M-Mode.
TABLE 33. Specific Vascular Calculations by Mode
2D Mode (See Table 35 on page 7-14)
% Stenosis (Area and Diameter)
Volume Flow
HWL (volume)
Doppler (See Table 36 on page 7-15)
Right Carotid: CCA, ICA, ECA, Bulb, Vert, Subclav, ICA/CCA, PSV/EDV
Left Carotid: CCA, ICA, ECA, Bulb, Vert, Subclav, ICA/CCA, PSV/EDV
Arterial: Vel, PI, RI, Accel
Venous: Time
Ratios: A/B
Volume Flow: TAVmax, Area