four main alterations in respiratory function
~~> ventilation/perfusion mismatch
Alveolar hypo-ventilation
Alveolar hyperventilation
Hypoxia
ventilation/perfusion mismatch
~~> an mismatch in the V/Q ratio caused by impaired ventilation or
impaired perfusion. (e.g. pneumonia, pulm...
✓ ~~> V/Q mismatch due to impaired perfusion as the embolism is
blocking blood flow
ventilation
✓ ~~> airflow into the alveoli
perfusion
✓ ~~> blood flow into the alveoli
oxygenation requires
✓ ~~> ventilation & perfusion
Alveolar Hyperventilation
✓ ~~> excess ventilation than what is required to eliminate normal
venous carbon dioxide produced by cellular metabolism
alveolar hypoventilation
✓ ~~> ventilation is inadequate to meet body's O2 needs or to
eliminate sufficient carbon dioxide
Master01 | September, 2024/2025 | Latest update
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