30 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Diagnosis Algorithm ... neuromuscular disease ... , ↓ chest wall compliance ... Cardiac, Vascular, Alveolar ... #pulmonary #Aa
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... #AA #Gradient #alveolar ... #Hypoxia #hypoxemia ... #differential #diagnosis
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Hypoventilation Syndrome ... Abnormalities • Chest ... #Diagnosis #Algorithm
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Blood: diffuse alveolar ... pneumonia • Water: pulmonary ... asthma • Pleural disease ... #Diagnosis #Management ... Algorithm #rapid #pulmonary
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
: Diffuse alveolar ... Differential Diagnosis ... high resolution chest ... #differential #diagnosis ... #nephrology
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... respiratory drive due to neurologic ... Interstitial lung diseases ... hepatopulmonary syndrome ... #Differential #Diagnosis
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
result of air space disease ... interstitial lung disease ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO #
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... left multiple diseases ... Cardiogenic pulmonary ... #Clinical #Radiology ... #Pulmonary #CTChest
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
- Differential Diagnosis ... Hyperkalemia Pulmonary ... : • Hypoxia ... Infections: • Lyme ... #causes #cardiology
Chest Pain - Differential Diagnosis Framework

Cardiovascular Causes of Chest Pain:
 • Myocardium:
	- Myocarditis
	- CAD/ACS
	- Valvulopathy
	- Myopericarditis
Diagnosis Framework ... - Tamponade Pulmonary ... Costochondritis - Tietze syndrome ... Pleuritis • Alveoli ... #Causes #Cardiology