13 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... CNS Lymphoma (CD4 ... • Nocardia • Parasitic ... RingEnhancing #Lesions #Brain ... differential #diagnosis #causes
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Differential Diagnosis Algorithm ... Artifact (redo CBC ... Myelofibrosis Infectious ... effect following treatment
Cysticercosis - Taenia solium Life Cycle
1) Eggs or gravid proglottids in feces and passed into environment.
2)
intestinal tapeworm infection ... subcutaneous tissues, brain ... pathophysiology #infectiousdiseases ... #cdc #parasite
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... present in 15% of cases ... Antimicrobial treatment ... Demyelinating disease caused ... opportunistic #InfectiousDiseases
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
→Activation of CD8 ... salmonella, ...), Parasites ... Drugs, Unknown cause ... Treatment: • ... diagnosis #management #treatment
Trypanosomiasis - Trypanosoma cruzi Life Cycle
1) Triatomine bug takes a blood meal (passes metacyclic trypomastigotes in
a blood meal (passes ... amastigotes in new infection ... pathophysiology #infectiousdiseases ... #cdc #parasite
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... factor • May cause ... possible in HIV PARASITIC ... Microsporidium #Lung #Infections ... differential #diagnosis #infectiousdiseases
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Diagnosis: • CBC ... Coccidioides • Parasite ... #differential #causes
Chagas Disease - American Trypanosomiasis - Diagnosis and Management Summary
Chagas disease (American trypanosomiasis) is an infectious
trypanosomiasis) is an infectious ... disease caused ... the protozoan parasite ... family Route of infections ... only available at CDC
Neurocysticercosis (NCC) Summary
Pathogen: Larval stage of Taenia solium
Infection: Ingesting undercooked pork containing cysticerci in muscle tissue.
Taenia solium Infection ... Brain calcifications ... cause seizures. ... Orbital/Ocular Treatment ... #infectiousdiseases