8 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... lung disease and ... UIP can be suspected ... #Diagnosis #Radiology
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Hypoventilation: CNS ... : Atelectasis, ARDS ... UnremarkableLab #AA ... #differential #diagnosis
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
On a chest X-ray ... to confirm the diagnosis ... #Clinical #Radiology ... #CXR #UIP #Reticular ... #Interstitial #
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
periphery of the lung ... hump along may aid ... in the diagnosis ... confirmed with chest ... #photo #CXR #EmergencyMedicine
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... rare idiopathic lung ... suggestive of the diagnosis ... #Clinical #Radiology ... #CTChest #AIP #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Lymphadenopathy, CNS ... fever, rales, interstitial ... Infections #HIV #AIDS ... #differential #diagnosis
Congestive heart failure (CHF) is the result of insufficient output because of cardiac failure, high resistance
In the lungs LV ... fluid into the interstitium ... pulmonary disease and causes ... #Diagnosis #Radiology ... #CHF #CXR #Features
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential Diagnosis ... weakness + atrophy- Hip ... aspiration > 50% of pts ... statins - probably caused ... weakness • Severe cardiac