Cardiovascular Equation Calculator
SVR = (MAP - CVP) × 80 / CO
CO = SV × HR
Interactive mode: Click "Fix" to hold a variable constant, then adjust others to see how they respond. Unfixed variables automatically update to maintain the cardiovascular equations.
MAP
Mean Arterial Pressure (mmHg)
Normal: 70-100 mmHg
85
mmHg
SV
Stroke Volume (mL)
Normal: 60-100 mL
70
mL
HR
Heart Rate (bpm)
Normal: 60-100 bpm
75
bpm
CO
Cardiac Output (L/min)
Normal: 4-8 L/min
5.25
L/min
CVP
Central Venous Pressure (mmHg)
Normal: 2-8 mmHg
5
mmHg
SVR
Systemic Vascular Resistance (dyn·s/cm⁵)
Normal: 800-1200 dyn·s/cm⁵
1200
dyn·s/cm⁵
PCWP
Pulmonary Capillary Wedge Pressure (mmHg)
Normal: 6-12 mmHg
12.0
mmHg
EVLW
Extravascular Lung Water (mL/kg)
Normal: 3-7 mL/kg
7.0
mL/kg
SPO2
Oxygen Saturation (%)
Normal: 95-100 %
98
%
SVR Status:
Systemic Vascular Resistance
Normal
Normal: 800-1200 dyn·s/cm⁵ | Range: 100-3500 dyn·s/cm⁵
Current Equations:
SVR Calculation
SVR = (MAP - CVP) × 80 / CO
1200 = (85 - 5) × 80 / 5.25
CO Calculation
CO = SV × HR / 1000
5.25 = 70 × 75 / 1000
Training Scenarios
Treatment Options
I = Inotropes
V = Vasopressors
F = Fluids