64 results
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clues to Differential ... heart defect - Pulmonary ... diseases - Pulmonary ... Diagnosis #Central #Cardiology ... Causes #Table #Comparison
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
centrilobular emphysema - Respiratory ... - Aspiration - Pulmonary ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential
Light's Criteria

Medical Nugget on Light's Criteria for diagnosis of Exudative Pleural Effusion in adults and children.
Internal Medicine #Respiratory ... LightsCriteria #MedNugget #differential ... #ddxof #pulmonary ... #im #radiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Respiratory bronchiolitis ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
#Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Gradient = (Patient's Age ... gradient to normal age ... A-a Gradient ≤ Age-Adjusted ... Hypoventilation: CNS of Respiratory ... Hypoxia #hypoxemia #differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... Failure - Differential ... lung diseases, pulmonary ... failure • There are ... Failure #hypoxia #Differential
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... child-bearing age ... Clinical #Diagnosis #Radiology ... Cystic #Cysts #Differential ... #Comparison #Table
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
hypoxemia - Tissues are ... hypoxia #hypoxemia #differential ... #diagnosis #comparison ... #pulmonary
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Noncardiogenic Pulmonary ... Edema - Differential ... Etiology: • Acute respiratory ... #edema #NCPE #differential ... #diagnosis #cardiology