VD/VT explained

In medicine, the ratio of physiologic dead space over tidal volume (V_D/V_T) is a routine measurement, expressing the ratio of dead-space ventilation (V_D) to tidal ventilation (V_T), as in physiologic research or the care of patients with respiratory disease.^[1]

Equation

$\backslash frac\; =\; \backslash frac$

References

1. Raymond LW. The alveolar air equation abbreviated. . Chest . 1978 . 74 . 6 . 675–6 . 738126 . 10.1378/chest.74.6.675.