V/Q Lung Model and ABG Simulator

O₂ consumption (50-700 ml/min)

Resp Quotient (0.6-1.2)

FiO₂ (0.1-1.0)

Total Blood Flow Q (3-20 l/min)

[Haemoglobin] (4-22 g/dl)

Base Excess (-30 to 20 mmol/l)

Standard P₅₀ (17 to 45 mmHg)

Mean V/Q ratio (0.2-3.0)

LogSD of V/Q distribution (0.1-2.0) normal=0.4; severe mismatch>1.5

Shunt (0 to 50%)

Number of compartments (10-100)

Method to determine Total Ventilation

Fixed PaCO₂ value (20-80 mmHg)

Fixed PaCO₂ tolerance (0.001 - 1 mmHg)

Fixed Art pH value (7.2-7.6)

Fixed Art pH tolerance (0.0001 - 0.05)

Multicompartmental V/Q Lung Model and Arterial Blood Gas Simulation