219 results
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... Blood: diffuse alveolar ... hemorrhage • Pus: pneumonia ... atelectasis • Lung ... #Hypoxia #differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Atelectasis, ARDS, Pneumonia ... Embolism, Obstructive Lung ... , Interstitial Lung ... #AA #Gradient #alveolar ... #hypoxemia #differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
first part of alveolar ... : Interstitial lung ... direction leads to hypoxemia ... • Causes: Pneumonia ... Respiratory #Failure #hypoxia
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Pneumothorax, Alveolar ... : Pneumonia, Mucous ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... distal bronchioles, alveolar ... peripheries and lower lung ... Diagnosis: • Lung ... TBNA or Surgical lung
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
Hypoxia and Hypoxemia ... - Overview Hypoxia ... common type of hypoxia ... inspired) PAO2 - alveolar ... O2 reaches the alveoli
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... phagocytic function of alveolar ... : • Upper lung ... cough, myalgia • Lung ... Microsporidium #Lung
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Malformation • Severe Pneumonia ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
The Many Flavors of EVALI (E-cigarette or Vaping Associated Lung Injury)
 - Hypersensitivity Pneumonitis
 - Organizing
Vaping Associated Lung ... - Organizing Pneumonia ... - Diffuse Alveolar ... Damage - Diffuse Alveolar ... Acute Eosinophilic Pneumonia
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... Pneumothorax, Alveolar ... (JVP, edema), Lung ... POCUS (B-lines, lung ... #Hypoxia #Workup