89 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... polyangiitis, Sarcoidosis ... , Pulmonary embolism ... Reverse #Halo #Sign ... #pulmonary
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
Sarcoidosis Non-caseating ... polyarthritis • Pulmonary ... Lymphadenopathy #Sarcoidosis ... #Diagnosis #Symptoms ... #Signs #Pulmonary
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
distribution is seen in sarcoidosis ... and cardiogenic pulmonary ... chronic eosinophilic pneumonia ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... Other ILDs: • Sarcoidosis ... Acute, Chronic • Pulmonary ... Diseases #ILD #diagnosis ... #differential #pulmonary
Sarcoidosis 
Systemic non-caseating granulomatous disease. 
Patients classically have mediastinal hilar lymphadenopathy. 
CXR is abnormal in 90%
Sarcoidosis Systemic ... #Sarcoidosis #Signs ... #Symptoms #Diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... Constitutional symptoms ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Signs and Symptoms of Pulmonary Embolism (PE)

#Pulmonary #Embolism #Signs #Symptoms #AcutePE #Diagnosis #Presentation

** GrepMed Recommended Text:
Signs and Symptoms ... of Pulmonary Embolism ... (PE) #Pulmonary ... #Embolism #Signs ... #Diagnosis #Presentation
Stage 2 Sarcoidosis - Presentation, Diagnosis and Workup
Presentation: Thoracic (Hilar and Mediastinal) Adenopathy ± Cough, Chest
Stage 2 Sarcoidosis ... Presentation, Diagnosis ... Wheeze, Systemic Symptoms ... #Diagnosis #Workup ... #pulmonary
Signs and Symptoms of Respiratory Distress Through the Years. 

#signs #symptoms #diagnosis #differential #neonatal #pediatrics #adult
Signs and Symptoms ... #signs #symptoms ... #diagnosis #differential ... #adult #peds #pulmonary
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... - Sarcoidosis ... Others: - Pulmonary ... #NonResolving #Pneumonia ... #diagnosis #pulmonary