27 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Malformation • Severe Pneumonia ... Abnormalities #Hypoxemia ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... asthma • Pleural disease ... Sophia_Hayes_MD #Hypoxemia ... #Hypoxia #differential ... #Diagnosis #Management
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Focal Alveolar: Pneumonia ... Shock • Airway Disease ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential
Pediatric Dyspnea - Differential Diagnosis Algorithm
Stridor:
 • Croup
 • Foreign Body
 • Tracheitis
 • Epiglottitis
 •
Pediatric Dyspnea ... - Differential Diagnosis ... Algorithm Stridor ... Body • Heart Disease ... Ketoacidosis • Pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... Interstitial lung diseases ... direction leads to hypoxemia ... • Causes: Pneumonia ... Respiratory #Failure #hypoxia
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... symptoms (e.g., dyspnea ... signs (tachypnea, hypoxemia ... #Pneumonia #Venn ... #Pulmonolary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Atelectasis, ARDS, Pneumonia ... Obstructive Lung Disease ... , Interstitial Disease ... #Hypoxia #hypoxemia ... #differential #diagnosis
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea ... - Differential Diagnosis ... Algorithm Cardiac ... Parenchyma: • Pneumonia ... #Algorithm #Causes
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... - Differential Diagnosis ... Algorithm Pulmonary ... and/or Hypoxemia ... #Algorithm #Causes