20 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... Chorioretinitis • Diagnosis ... CNS Lymphoma (CD4 ... • Nocardia • Parasitic ... #causes #radiology
Colonic Thumbprint Sign on Abdominal XRay - Differential Diagnosis:
 • inflammatory bowel disease: UC and CD
Sign on Abdominal XRay ... - Differential Diagnosis ... disease: UC and CD ... • infection (e.g ... #radiology #KUB
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... Demyelinating disease caused ... #differential #diagnosis ... opportunistic #InfectiousDiseases
Cysticercosis - Taenia solium Life Cycle
1) Eggs or gravid proglottids in feces and passed into environment.
2)
intestinal tapeworm infection ... TaeniaSolium #LifeCycle #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
→Activation of CD8 ... Auto-amplification loop Diagnosis ... salmonella, ...), Parasites ... Drugs, Unknown cause ... Lymphohistiocytosis #diagnosis
Trypanosomiasis - Trypanosoma cruzi Life Cycle
1) Triatomine bug takes a blood meal (passes metacyclic trypomastigotes in
a blood meal (passes ... amastigotes in new infection ... Tcruzi #LifeCycle #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite
Visceral Leishmaniasis - Diagnosis and Management Summary
Species: Leishmania donovani, Leishmania infantum, Leishmania chagasi
Where: South Asia, East
Leishmaniasis - Diagnosis ... antigen-specific CD4 ... Weight Loss • Can cause ... management #treatment #infectiousdiseases ... #microbiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... factor • May cause ... possible in HIV PARASITIC ... #infectiousdiseases
Cyclosporiasis - Diagnosis and Management Summary
Pathogen: 
 • Cyclospora cayetanensis
 • Foodborne, waterbone, and soil-transmitted.
 •
intracellular parasite ... transmission as zoonotic infection ... • Anorexia, Nausea ... management #treatment #microbiology ... #infectiousdiseases
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... : • CBC - Leukocytosis ... Coccidioides • Parasite ... #differential #causes