52 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Hypoventilation: CNS ... neuromuscular disease ... , ↓ chest wall compliance ... #pulmonary #Aa
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... asthma • Pleural disease ... Hypoventilation: • CNS ... Hypoxemia #Hypoxia #differential ... #Diagnosis #Management
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
to chronic lung disease ... • Hypoxia • Pulmonary ... • Oxygen • Treatment ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Diagnosis Algorithm ... ChestPain #Noncardiac #Cardiology ... #Differential # ... Diagnosis #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... Obstructive Lung Disease ... , Interstitial Disease ... Hypoxia #hypoxemia #differential ... #diagnosis
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
fraction < 20% Differential ... Diaqnoses: • ... hepatitis • Pulmonary ... #diagnosis #management ... #treatment #rheumatology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Honeycombing Most diseases ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... recent DAN) • EMG/NCS ... #diagnosis #management ... #treatment
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Causes of Dyspnea - Differential ... Diagnosis Pulmonary ... /Chest Wall: • ... hernia, Obesity CNS ... #Diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... Lung Abscess Differential ... Lung #Abscess #pulmonary ... #differential # ... #treatment #diagnosis