Breathing and Ventilation Calculations

Just a few notes on various definitions and calculations to do with breathing rates

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  • Created by: Sarah
  • Created on: 02-01-13 12:16

Pulmonary Ventilation

Pulmonary Ventilation (dm3min-1)

This measure of the rate of ventilation

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Tidal Volume

Tidal Volume (dm3)

THE AMOUNT OF AIR BREATHED IN AND OUT IN ONE BREATH

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Ventilation Rate

Ventilation rate (min-1)

How many breaths per minute.

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Vital Capacity

Vital Capacity

The volume of air which can be exhaled in one breath

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Residual Volume

Residual Volume

The amount of air remaining in the lungs

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Calculations

Pulmonary Ventilation = Tidal Volume x Ventilation Rate

          (dm3min-1)                (dm3)                 (min-1)

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