17 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... • CT: Halo sign ... factor • May cause ... #Infections #HIV
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Red Flags: • Fever ... sweats, chills (infection ... ) • Abnormal CXR ... refer + order CT ... #Algorithm #causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Blood cultures • CXR ... early disease) • CXR ... seen • Chest CT
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Differential Diagnosis ... rarely typical pneumonia ... #pulmonary #CXR ... #clinical #CT
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... Causes: • Still's ... Brucellosis • Liver ... or lung abscess ... #Differential #Diagnosis
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 ... interstitial diffuse infections ... NOT definitively diagnose ... #ultrasound
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Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... disease • Liver ... Chest CT: • Ground-glass ... : Pneumonia • Autoimmune ... DDX - Other causes
Echinococcal Cysts in the Liver- The physical examination revealed hepatomegaly with a palpable hepatic mass. Laboratory
Echinococcal Cysts in the Liver ... right lobe of the liver ... #clinical #NEJM ... echinoccocal #cyst #liver ... #CT #ultrasonography
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... with low oxygen level ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... (elevations of liver ... Diagnosis Of NTM ... Imaging, high res CT ... #differential #diagnosis