20 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
infection • Most common ... cause: Aspiration ... pneumonia • Chronic ... seen • Chest CT ... #causes #management
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... lung disease ... Chest CT: • Ground-glass ... DDX - Other causes ... Epstein-Barr syndrome, HIV
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... in Sickle Cell Disease ... Generally affects long ... sites: hip, shoulder ... #hematology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework Disease ... • CT: Halo sign ... Abdominal pain, chronic ... #AIDS #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
in the adjacent lung ... high-resolution chest CT ... , CCP, ANCA • HIV ... mycobacteria Treatment ... Bronchiectasis #pulmonary #differential
Causes of Unintentional Weight Loss - Differential Diagnosis
Malignancy 
 - Tumor effect* (esp. Gl, lung, lymphoma)
Causes of Unintentional ... Gl, lung, lymphoma ... ) - Treatment ... disorders Infections: HIV ... /AIDS, Tuberculosis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
or trunk most commonly ... • Most commonly ... cancers, including lung ... comparison #table #differential ... #diagnosis #dermatology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... status NTM Cause ... mucogenicum • HIV ... Imaging, high res CT ... NTM #Infections #differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acute or chronic ... glycol (present in IV ... L L-lactate (common ... or restrictive lung ... disease (COPD,
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... Antimicrobial treatment ... enhancement on CT ... Demyelinating disease ... caused by the JC