30 results
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
and Management Differential ... (JVP, edema), Lung ... Exam, POCUS (B-lines ... , lung sliding) ... STAT CXR, CTA Chest
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... Abnormalities • Chest ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... atelectasis • Lung ... MG, ALS) • ↓ chest ... #Hypoxia #differential ... #Diagnosis #Management
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... Diagnosis Framework ... #Failure #hypoxia ... #Differential # ... Diagnosis #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Embolism, Obstructive Lung ... , Interstitial Lung ... #hypoxemia #differential ... #diagnosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Diagnosis: Causes ... , pain, fever, hypoxia ... with associated hypoxia ... or restrictive lung ... Interpretation #Diagnosis
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
severity Acute Respiratory ... submassive PE) POCUS ... #pulmonary #differential ... #diagnosis #signs ... #Lung #POCUS #ultrasound
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
or interstitial lung ... predominance: Respiratory ... bronchiolitis #Diagnosis ... Radiology #Pulmonary #CTChest ... #GroundGlass #Differential
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Criteria for Acute Respiratory ... be present on a chest ... lobar collapse, lung ... severity of the hypoxemia ... Definition #Criteria #Diagnosis
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Presentation and Diagnosis ... Dyspnea, Wheeze, Chest ... often normal or near ... Hyperresonance, Hypoxemia ... COPD #comparison #Diagnosis