143 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Ventilation/perfusion ... Malformation • Severe Pneumonia ... #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
Hypoxemic Respiratory ... lung diseases, pulmonary ... • Causes: Pneumonia ... asthma, COPD, pulmonary ... shunting (eg, pulmonary
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Focal Alveolar: Pneumonia ... Hemorrhage • Impaired Diffusion ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... hemorrhage • Pus: pneumonia ... • Water: pulmonary ... Diagnosis #Management #Algorithm ... #rapid #pulmonary
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Differential Diagnosis Algorithm ... Pericardial • Effusion ... Abnormalities • Pleural Effusions ... Alveoli • Pneumonia ... Differential #Diagnosis #Algorithm
Pediatric Dyspnea - Differential Diagnosis Algorithm
Stridor:
 • Croup
 • Foreign Body
 • Tracheitis
 • Epiglottitis
 •
Differential Diagnosis Algorithm ... Crackles: • Pneumonia ... Body • Pleural Effusion ... Ketoacidosis • Pulmonary ... Differential #Diagnosis #Algorithm
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... e.g., CXR, CT, ultrasound ... procalcitonin) - Pulmonary ... signs (tachypnea, hypoxemia ... #Pneumonia #Venn
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Diseases - Pneumonia ... Pneumothorax - Effusion ... Emphysema - Pulmonary ... Embolism - Acute Pulmonary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
, Cryptococcal pneumonia ... Aspergillus Pneumonia ... - 20% of pneumonias ... , pleural effusion ... Infections #HIV #AIDS #pulmonary