6 results
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Travelers from ... without localizing signs ... melioidosis, typhoid, pulmonary ... - Tropical pulmonary ... #Returning #Traveler
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Causes: Mucormycosis ... polyangiitis (Wegener), Eosinophilic ... , Sarcoidosis, Dermatomyositis ... Reverse #Halo #Sign
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Etiologies Unusual Infections ... psittaci/avian, leptospirosis ... yersinia/rats, Q fever ... ) - Returning travelers ... - Eosinophilic
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
healthy pt with fever ... immunosuppression, travel ... /lung sliding: Pulmonary ... interstitial diffuse infections ... partially seen shred sign
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis: • Fevers ... purpura: Strong sign ... progressive) EGPA (Eosinophilic ... Polyangiitis): • Eosinophilia ... tract, and often causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
• EGPA: - Eosinophilia ... tract, and often causes ... to exclude are infections ... Vasculitis: • Fevers ... purpura: strong sign