73 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Malformation • Severe Pneumonia ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Focal Alveolar: Pneumonia ... Shock • Airway Disease ... #hypoxia #Differential ... #Diagnosis #causes
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... neuromuscular disease ... #Hypoxia #Differential ... #pulmonary #Aa
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework ... Disease by CD4 ... • CT: Halo sign ... , pleural effusion ... Infections #HIV #AIDS #pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Diagnosis Framework ... 760 mm Hg at sea level ... Interstitial lung diseases ... • Causes: Pneumonia ... Diagnosis #pulmonary
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
• Pleural effusion ... Parapneumonic effusion ... (NHL, primary effusion ... #diseases #differential ... #diagnosis #chestCT
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Diseases - Pneumonia ... Pneumothorax - Effusion ... #Diseases #Radiology ... XRay #ChestCT #Differential ... #Diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Room Air + Sea Level ... Atelectasis, ARDS, Pneumonia ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
hemorrhage • Pus: pneumonia ... • Water: pulmonary ... asthma • Pleural disease ... #Hypoxia #differential ... #Diagnosis #Management
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Diagnosis Algorithm ... Pericardial • Effusion ... • Sub-Valvular Disease ... Alveoli • Pneumonia