6 results
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Travelers from ... without localizing signs ... Cough, dyspnea - Pneumonia ... , dyspnea, and eosinophilia ... #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
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
gram-negative pneumonia ... Causes: • Still's ... • Leptospirosis ... Brucellosis Faget's Sign ... • Malaria • Leptospirosis
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... healthy pt with fever ... immunosuppression, travel ... interstitial diffuse infections ... partially seen shred sign
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Tenderness → Consider infectious ... papules and Gottron sign ... ) • Shawl sign ... Overlap Syndrome: Fever ... statins - probably caused