Siemens ACUSON Cypress

ACUSON Cypress™ Operator’s Manual 6-23
Cardiac Formulas and References
Shunt Ratio
CO
Qp
is pulmonic Cardiac Output (l/min).
CO
Qs
is systemic Cardiac Output (l/min).
—
Shunt
Difference
CO
Qp
is pulmonic Cardiac Output (l/min).
CO
Qs
is systemic Cardiac Output (l/min).
l/min
TABLE 31. Doppler Formulas (Cardiac)
Type Formula Units
Qp
Qs
-------
CO
Qp
CO
Qs
--------------=
Qp Qs– CO
Qp
CO
Qs
–=