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RRT Equations
Equations for the WRRT
| Term | Definition |
|---|---|
| Pack Years | = # Packs/Day x # of years smoked |
| Cerebral Perfusion Pressure (CPP) | = CPP = MAP - ICP |
| Mean Arterial Pressure(MAP) | = (2 x Diastolic) + Systolic ------------------------------ 3 |
| Fick Equation(cardiac output)(Qt) | = VO2/ C(a-v)O2 x (10) |
| Cardiac Output (Qt) | = Heart rate x Stoke volume |
| Cardiac Index (CI) | = Qt/BSA or Cardiac Output/ Body Surface Area |
| Pulse Pressure | = Systolic - Diastolic Pressure |
| Stroke Volume | = Qt/Heart Rate |
| Systemic Vascular Resistance (SVR) | = (MAP-CVP)/Cardiac Output (CO) |
| Pulmonary Vascular Resistance (PVR) | = (MPAP - PWP)/ Cardiac Output (CO) |
| Converting to Dynes for PVR/SVR | = Multiply mmHg/L/Min by 80 |