27 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Penicillium marneffei Parasitic ... Cryptococcal Ag, Urine ... Diseases Fellows ... HIVAIDS #workup #diagnosis ... #evaluation #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... multiple lesions Infectious ... • Nocardia • Parasitic ... Lesions #Brain #differential ... #diagnosis #causes
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... →Activation of CD8 ... accumulation of clinical ... Assessment • Clinical ... salmonella, ...), Parasites
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
hematogenous spread of a disease ... Diagnosis of Miliary ... Opacities: • Infectious ... - Disseminated Parasites ... #CXR #clinical
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Lung Abscess Pathophysiology ... Lung Abscess - Clinical ... : • CBC - Leukocytosis ... Coccidioides • Parasite
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Diagnosis Framework ... should be based on clinical ... Demyelinating disease ... #differential #
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Due to Viral infection ... Clinical Presentation ... younger pts) Differential ... passage of red-brown urine ... • Diagnostic
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Normal: < 1% Clinically ... • Autoimmune diseases ... #Bandemia #differential ... #WBC #CBC #hematology ... #pathophysiology
Emphysematous Cystitis
Epidemiology:
 • Usually middle-aged diabetic women
 • Other RF: neurogenic bladder, urinary tract outlet obstruction,
immune compromise Clinical ... present or signs of infection ... Pathophysiology: ... KUB or abdominal ultrasound ... present • UA and Urine
Myasthenic Crisis Checklist - Myasthenia Gravis

Evaluation 
 - Chest X-ray and lung ultrasound (exclude other lung
X-ray and lung ultrasound ... with differential ... possible - Infectious ... if symptoms of infection ... Pyridostigmine - New diagnosis