17 results
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
commonly liver and lung ... pathophysiology #infectiousdiseases ... #cdc #parasite
Intestinal Hookworm Life Cycle
1) Eggs in feces
2) Rhabditiform larva hatches
3) Development to filariform larva in environment
4)
circulation in the lungs ... pathophysiology #infectiousdiseases ... #cdc #parasite
C.diff - Clostridioides Difficile Infection (CDI) - Diagnosis and Management - GrepMed Handbook

Clinical Presentation + Progression:
Clostridioides Difficile Infection ... #1 nosocomial infection ... Tx Management (IDSA ... IDSA 2021 CDI ... management #treatment #infectiousdiseases
Ascaris lumbricoides - Ascariasis Life Cycle
1) Adults in small intestine
2) Fertilized egg - Unfertilized egg (will
and migrate to lungs ... pathophysiology #infectiousdiseases ... #cdc #parasite
Loiasis - Loa loa Life Cycle
1) Fly (genus Chrysops) takes a meal (L3 larvae enter bite
blood and in the lungs ... pathophysiology #infectiousdiseases ... #cdc #parasite
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... lesions • 80% with lung ... CNS Lymphoma (CD4 ... • Nocardia • Parasitic ... differential #diagnosis #causes
Cysticercosis - Taenia solium Life Cycle
1) Eggs or gravid proglottids in feces and passed into environment.
2)
intestinal tapeworm infection ... pathophysiology #infectiousdiseases ... #cdc #parasite
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... occur when the CD4 ... present in 15% of cases ... Demyelinating disease caused ... opportunistic #InfectiousDiseases
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 ... #Infections #HIV ... differential #diagnosis #infectiousdiseases
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