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Cornell Pediatrics

Ventilation Index

Calculate the ventilation index given ventilator rate, peak airway pressure, positive end-expiratory pressure, and PaCO2.

Input Ventilator Respiratory Rate bpm 
Input Peak Inspiratory Pressure torr  
Input Positive End–Expiratory Pressure  torr 
Input PaCO2 torr 
Ventilation Index


The equation is:

VI =  RR * (PIP - PEEP) * PaCO2


Created: January 7, 2000
Revised: October 19, 2000

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