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Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Noncardiogenic Pulmonary Edema ... Noncardiogenic pulmonary edema ... of peripheral edema ... BNP level <100 pg ... altitude pulmonary edema
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
cardiogenic pulmonary edema ... Central #Peripheral #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Aspiration - Pulmonary edema ... #Upper #Lower #RadiologyAssistant
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
consolidation is pulmonary edema ... called cardiogenic edema ... non-cardiogenic edema ... non-cardiac pulmonary edema ... #Differential #RadiologyAssistant
Acute Heart Failure Exacerbation - Diagnostic Likelihood Ratios
+LR > 3.5:
 • Overall judgement of ED physician
• BNP < 100 pg
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
cardiogenic pulmonary edema ... SeptalThickening #CHF #RadiologyAssistant
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
by interstitial edema ... Pneumonia #PJP #RadiologyAssistant
Pathogenesis of Edema in Heart Failure (Cardiac Edema)

#Edema #CHF #HeartFailure #Pathophysiology
Pathogenesis of Edema ... Failure (Cardiac Edema ... ) #Edema #CHF
Grades of Pitting Edema

 0+ No pitting edema 
 1+ Mild pitting edema. 2 mm depression
Grades of Pitting Edema ... 0+ No pitting edema ... + Mild pitting edema ... Moderate pitting edema ... severe pitting edema
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
Is it pus, edema ... #Differential #RadiologyAssistant