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Formula
Equation
Normal Value
BSA Sq.Root {(Kg.)*(Cm.) / (3600)} 1.5-3.5 m^2 (adults) Systemic Vascular Resistance (SVR) { (MAP-CVP)* 80 } / (CO) 800-1500 dynes*sec/cm^5 Pulmonary Vascular Resistance (PVR) { (PAP-CVP)* 80 } / (CO) 150-250 dynes*sec/cm^5 Mean Arterial Pressure SBP + 2 * DBP/3 70-105 mmHg Cardiac Output (CO) HR * SV/1000 4-6 L/min Cardiac Index CO/BSA 2.5-4 L/min/m^2 Stroke Volume CO/HR*1000 60-100 ml/beat Left Ventricular Stroke Work (LVSW) SV * (MAP-PAWP) * 0.0136 58-104 gm-m/beat Left Ventricular Stroke Work Index(LVSWI) SVI * (MAP-PAWP) * 0.0136 50-62 gm-m/beat Right Ventricular Stroke Work (RVSW) SV * (MPAP-PAWP) * 0.0136 8-16 gm-m/beat Right Ventricular Stroke Work Index(RVSWI) SVI * (MPAP-PAWP) * 0.0136 5-10 gm-m/beat Coronary Artery Perfusion (CPP) Diastolic BP - PAWP 60-80 mmHg Arterial Oxygen Content (CaO2) (0.0138 * Hgb * SaO2) + 0.0031 * PaO2 17-20 ml/dl Venous Oxygen Content (CvO2) (0.0138 * Hgb * SvO2) + 0.0031 * PaO2 12-15 ml/dl A-V Oxygen Content Difference {C(a-v)O2} CaO2-CvO2 4-6 ml/dl Oxygen Consumption (VO2) {C(a-v)O2}*CO*10 200-250 ml/min Oxygen Extraction Ration (O2ER) ((CaO2-CvO2)/CaO2) * 100 22-30 % Anion Gap (Na + NaHCO3) - Cl 3-11 Addition of NaHCO3 on CPB {Base Excess (B.E.)* Kg * .03} / (2) 24-28 mEq
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