7 results
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... consolidation or nodular ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Nodular or cavitary ... gastrointestinal symptoms ... Disease: Clinical ... Disease: • Clinical ... (Symptoms, Imaging
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... purpura: Strong sign ... affects the skin, neurologic ... • Progressive symptoms ... cognitive impairment, neurologic
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... Constitutional symptoms ... #Infections #HIV ... #AIDS #pulmonary
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Coltivirus Symptoms ... • Common clinical ... influenzae Symptoms ... Acute meningeal signs
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
with systemic, neurologic ... Diagnosis = clinical ... systemic sx + signs ... vasculitis vs infection ... GCA can present
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
has five major clinical ... fungal stain of clinical ... , ocular, or disseminated ... change in the lungs ... nails, bronchi, lungs