79 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... • Interstitial lung ... disease • Pulmonary ... #Diagnosis #Algorithm
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... (↑Shunting), ↓Perfusion ... #Diagnosis #Algorithm ... #pulmonary #Aa
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... to neurologic injury ... direction leads to hypoxemia ... Respiratory #Failure #hypoxia ... #Differential #Diagnosis
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... - Differential Diagnosis ... Hemorrhage • Impaired Diffusion ... #hypoxia #Differential ... #Diagnosis #causes
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... Aspiration, Flash Pulmonary ... Bronchospasm, Pulmonary ... (JVP, edema), Lung ... POCUS (B-lines, lung
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... pneumonia • Water: pulmonary ... atelectasis • Lung ... #Diagnosis #Management ... Algorithm #rapid #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Embolism, Obstructive Lung ... Disease and more • Diffusion ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #diagnosis
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Pneumothorax - Effusion ... Emphysema - Pulmonary ... Radiology #Patterns #Lung ... #Differential #Diagnosis
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural Effusion ... - Differential Diagnosis ... Pneumonectomy • Trapped lung ... • Postcardiac injury ... #Pulmonary #Diagnosis
Proposed Pathophysiology of COVID19 Lung Injury

COVID19 Lung Injury model schematic based on 1) ACUTE thrombotic vascular
Pathophysiology of COVID19 Lung ... Injury COVID19 ... Lung Injury model ... prone benefit via perfusion ... Pathophysiology #COVID19 #Pulmonary