‣
Responsive to
Hyperoxia Test (<150/>250)
Usually not
accompanied by
Hypercapnia (Type II RF)
:
hyperventilation
→ functional lung unit help ensure globally normal PCO2
Respond to
Oxygen Delivery Devices
as it helps improve the amount of O2 going to the area with reduced V
Causes of V/Q Mismatch
The most common
physiological cause
of
!Respiratory Failure
Pneumonia
Pulmonary Edema
from congestive
HF - Heart Failure
!ARDS
Aspiration
Trauma
!PE - Pulmonary embolism
Drugs
(depressant,
Opioid (Narcotics)
)
Bronchospasm
COPD
Bronchiectasis
,
CF - Cystic Fibrosis
Conditions affecting
Respiratory Control System
Respiratory muscle & their innervations