20 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... sweats, chills (infection ... disease or CHF) ... refer + order CT ... disease #Chronic
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 ... Malignancies • Chronic ... hypogammaglobulinemia #immunology #hematology
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... head and neck, pancreas ... biliary, renal, lung ... concentration PET-CT ... #rheumatology
Acute-on-Chronic Liver Failure (ACLF) Clinical Guidelines

ACLF = possibly reversible condition in those with CLD (± cirrhosis)
Acute-on-Chronic ... months without treatment ... underlying liver disease ... Brain Failure Lung ... Coagulation Failure Infections
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... lung infections ... Hematologic malignancy ... Imaging, high res CT ... differential #diagnosis #infectiousdiseases
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... pneumonia • Chronic ... CT Lung Abscess ... hemorrhage • Treatment ... several months of treatment
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... in the adjacent lung ... of the affected lung ... CT) • Broncho-arterial ... mycobacteria Treatment
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
Coccobacillus - Zoonotic Infection ... organism into the lungs ... patients often have chronic ... : • Severe Disease ... #infectiousdiseases
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
85% • < 50% in chronic ... aches, joint pain, chest ... change in the lungs ... nails, bronchi, lungs ... ) #Mycoses #InfectiousDiseases
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Diagnosis Framework Disease ... • CT: Halo sign ... Abdominal pain, chronic ... differential #diagnosis #infectiousdiseases