Perform computations online at: ScyMed.com 6th ED ICU-card «ICU, Formulas & Drugs» HEMODYNAMIC PATTERNS Condition SAP CVP PAP PCWP CO C(a-v)02 PVR SVR Hypovolemic shock ↓ ↓ ↓ ↓ ↓ ↑ ↑ ↑ Cardiogenic shock ↓ 1 ↑ 1 1 ↑ Septic shock ↓ ↓ ↓ ↓ ↑ ↓ ↓ ↓ Cardiac Tamponade . ↑ ↑ 1 ↓ → ↑ RV Infarction ↑ → → ↓ → →↑ Pulmonary Embolism ↓ ↑ ↑ →↑ ↓ ↑ ↑ Airways Obstruction →↑→↑ ↑ →→↑ ↑ → HEMODYNAMICS HEMODYNAMICS 4.25-6.12 L/min Cardiac Output CI 2.5-3.6 L/min/m2 HR*SV VO2/Ca-vO2 (fick) CO/BSA Cardiac Index EF 55-78 % SI/EDV Ejection Fraction HR 60-90 bpm CO/SV Heart Rate SV 69-87 mL/beat CO/HR Stroke Volume SI 41-60 mL/beat/m? Stroke Volume Index CI/HR BFVR 0.9-1.4 ratio CI/BVI Blood Flow:Volume Ratio BV 3-5.1 L PV/(1-Hct) Blood Volume PRESSURES MAP 70-105 mmHg (SP+2DP)/3 Mean Arterial Pressure MPAP 9-17 mmHg (PSP+2PDP)/3 Mean Pulmonary Arterial Pressure PP 20-70 mmHg SP-DP Pulse Pressure RPP 6000-12000 mmHg*bpm HR*SP Rate Pressure Product CPP 60-80 mmHg DP-PCWP Coronary Perfusion Pressure COP 23-29 mmHg (glob*1.4)+(alb*5.5) Colloid-Oncotic Pressure RESISTANCES SVR 770-1500 dyn*s/cm5 (MAP-CVP)*79.92//CO Systemic Vascular Resistance SVRI 1970-2390 dyn*s/cm5*m2 ((MAP-CVP)*79.92/CI PVR Systemic Vascular Resistance Index 20-120 dyn*s/cm5 ((MPAP-WP)*79.92)/CO Pulmonary Vascular Resistance PVRI 30-240 dyn*s/cm5*m2 (MPAP-WP)*79.92)/CI Pulmonary Vascular Resistance Index CARDIAC WORK LCWI 3.4-4.2 kg*m/m2 CI*MAP*0.0144 RCWI Cardiac Work Index, Left 540-660 9*m/m2 CI*MPAP*0.0144 Cardiac Work Index, Right LVSWI 50-62 g*m/m2 SI*MAP*0.0144 Ventricular Stroke Work Index, Left RVSWI 7.9-9.7 9*m/m2 SI*MPAP*0.0144 Ventricular Stroke Work Index, Right ELECTROCARDIOGRAPHY Q-T_c 0.34-0.42 Q-T interval correction (QT)(sqrtRR) 0.42-1.2 RR interval RR abbrev ni values units equation CONVERSION •Celsius =(°F - 32)/1.8 •Farenheit =(°C × 1.8) +32 French Units: 1 french unit = 1 mm x 3.14 mmHg & cmH2O: 1 mmHg = 1.36 cmH20 PULMONARY RR VT 10-16 resp/min 400-600 mL Respiratory Rate Wt*VT Tidal Volume VE 4.0-8.0 L/min VT*RR Minute Ventilation VD 80-300 mL (VT*(PaCO2-PECO2))/PaCO2 Dead Space (physiologic) FVC FEV1 >4.0 L Forced Vital Capacity >3.0 L FEV1/FVC = >60% Forced Espiratory volume 1s Qs/Qt 0.0-7.0 % Shunt, physiologic ((CcapO2-CaO2)/(Ccap02-CvOz))*(100) | A-a GRADIENT PA-aO2 5-25 mmHg A-a Gradient (((FIO)*(PB-PH20))-(PaCO2/R))-(Pa02) PA-a02 c 5-25 mmHg 2.5+(0.25*age) A-a Gradient, age-corrected PAO2 95-105 mmHg Alveolar Oxygen Tension ((FIO)*(PB-PH2O))-(PaCO2/R) | Pa02 80-100 mmHg arterial Oxygen Tension Measured. [estimated=100-(0.33*age)] PIO2 100-150 mmHg (FIO2)*(PB-PH2O) Inspired Oxygen Tension PB 0-760 mmHg Barometric Pressure FIO2 29.92* (<(1)-(6.87535*alt*10^-6))^5.2561) 19-21 % Fraction of inspired O2 PH2O 47 R 0.7-1 mmHg Water vapor (partial press.) ratio Respiratory Quotient OXYGEN CONTENT CaOz 17-20 mL/dL arterial Oxygen Content ((Hb*1.36)*(SaO2))+(Pa02*0.0031) CcapO2 21-21 mL/dL capillary Oxygen Content ((Hb*1.36)*(ScapO2))+(Pa2*0.0031) CvO2 12-15 mL/dL mixed venous O2 Content ((Hb*1.36)*(SvO2))+(PvO2*0.0031)| Ca-vO2 4-5 mL/dL (CaO2)-(CvO2) Pa02 Oxygen Content Difference, arterial-venous SaO2 80-100 mmHg arterial Oxygen Tension 96-99 #ICUcard PvO2 35-45 % arterial Oxygen Saturation mmHg mixed venous O2 Tension Sv02 60-80 PaCO2 35-45 % mixed venous O2 Saturation mmHg arterial CO2 Tension PACO2 35-45 mmHg Alveolar CO2 Tension PvCO2 40-50 mmHg mixed venous CO2 Tension PECO2 25-35 mmHg Expired CO2 Tension OXYGEN TRANSPORT 02 ext 20-30 % Ca-vO2/CaO2 Oxygen Extraction Rate DO2 750-1200 mL/min CO*Ca02*10 Oxygen Delivery DO2 | 550-650 mL/min/m2 C|*Ca02*10 VO2 Oxygen Delivery Index 200-280 mL/min CO*Ca-vO2 Oxygen Consumption VO2 l 115-165 mL/min/m2 CI*Ca-vO2 Oxygen Consumption Index VCO2 120-320 mL/min Wt*VCO2 Carbon dioxide Production
