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Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
Stage III - Alveolar ... edema This stage ... (alveolar edema ... position Obstructive lung ... diseased areas of the lung
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Filling of the alveolar ... spaces with pus, edema ... interstitium or alveolar ... filling of the alveoli ... or interstitial lung
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Flash Pulmonary Edema ... Pneumothorax, Alveolar ... Volume Exam (JVP, edema ... ), Lung Exam, POCUS ... (B-lines, lung
On the left a patient with ARDS. 
There is alveolar edema in both lungs. 
Notice that
There is alveolar ... edema in both lungs ... Radiology #CXR #ARDS #Alveolar ... #Edema #RadiologyAssistant
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
first part of alveolar ... second part of alveolar ... : Interstitial lung ... diseases, pulmonary edema ... bypassing the lungs
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Age-Adjusted Gradient • Alveolar ... Mismatch: Pulmonary Edema ... Embolism, Obstructive Lung ... , Interstitial Lung ... #AA #Gradient #alveolar
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
to interstitial edema ... dependent part of the lungs ... non-dependent part of the lung ... presentation of alveolar ... #Intersitial #Edema
B-Lines on Lung POCUS

PE is LEAST likely to show B lines. Juxtaposition of fluid droplets &
B-Lines on Lung ... B lines on US (alveolar ... incl ddx pulm edema ... fibrosis #BLines #Lung
COVID-19 on Lung POCUS

1&4: Diffuse B Line pattern with skipped segments and alveolar shred / small
COVID-19 on Lung ... skipped segments and alveolar ... on interstitial edema ... #COVID19 #Lung
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Blood: diffuse alveolar ... Water: pulmonary edema ... atelectasis • Lung