22 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Differential Diagnosis ... Reverse #Halo #Sign ... #Differential # ... Diagnosis #pulmonary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Diagnosis Framework ... • CT: Halo sign ... #HIV #AIDS #pulmonary
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Diagnosis of Miliary ... rarely typical pneumonia ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Differential Bilat ... /lung sliding: Pulmonary ... partially seen shred sign ... NOT definitively diagnose ... #Lung #POCUS #clinical
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... reversed halo sign ... ; PZ, pulmonary ... hypersensitivity pneumonitis, infection ... #Diagnosis #Pulmonary
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... Diagnoses Medical ... without localizing signs ... Cough, dyspnea - Pneumonia ... #diagnosis #tropical
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... Infection: Mucormycosis ... Cryptogenic organizing pneumonia ... Reverse #Halo #Sign ... diagnosis #pulmonary
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... • Common clinical ... Streptococcus pneumoniae ... Acute meningeal signs ... (< 50%) • S. pneumoniae
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... #Tram #Track #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Emphysematous Cystitis
Epidemiology:
 • Usually middle-aged diabetic women
 • Other RF: neurogenic bladder, urinary tract outlet obstruction,
immune compromise Clinical ... Signs/Symptoms: ... be present or signs ... of infection, such ... , specifically CT