Corrected Tidal Volume Calculator

Corrects expired VT for circuit compression volume during mechanical ventilation.

Inputs

Color mode links each input to the matching equation term and solving arithmetic.

Equation and Work

Equation:
Solving steps:
Corrected VT
—
mL
Circuit volume
—
mL
Pressure change
—
cmH₂O

Clinical Significance

Corrects expired VT for circuit compression volume during mechanical ventilation.

This calculator expands that idea by identifying the relevant measured values, substituting the selected inputs, and carrying the arithmetic through in the solving steps.

Used before compliance calculations so volume lost to circuit expansion is not counted as lung volume.

Calculator output should be interpreted with the patient’s condition, measurement quality, and local clinical policy.

References (APA 7th Edition)

  1. Chang, D. W. (2020). Respiratory Care Calculations (Revised 4th ed.). Jones & Bartlett Learning. Formula content adapted from the uploaded text/reference packet.