44 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Parainfluenza • CD4 ... ) Fungal: • CD4 ... Penicillium marneffei Parasitic ... : • CD4 < 200 ... : • CD4 > 200
Strongyloides fuelleborni Lifecycle
Free-Living Cycle
1) Eggs containing rhabditiform larvae passed in feces.
2) Rhabditiform larvae hatch in environment.
Parasitic Cycle ... become adults. 8) Parasitic ... intestine 9) Parasitic ... pathophysiology #infectiousdiseases ... #cdc
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
pathophysiology #infectiousdiseases ... #cdc #parasite
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... CNS Lymphoma (CD4 ... multiple lesions Infectious ... • Nocardia • Parasitic ... causes #radiology #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
occur when the CD4 ... immune recovery (CD4 ... Virus (HSV): • CD4 ... Encephalitis: • CD4 ... Lymphoma: • CD4
Strongyloides Stercoralis Lifecycle
Free-Living Cycle:
1) Rhabditiform larvae in the intestine are excreted in stool. 
2) Development into
Parasitic Cycle: ... become adults. 8) Parasitic ... pathophysiology #infectiousdiseases ... #cdc #parasite
Malaria - Plasmodium Life Cycle
1) Mosquito takes a blood meal (injects sporozoites)
Human Liver Stages
2) Infected liver
pathophysiology #infectiousdiseases ... #cdc #parasite
Babesiosis - Babesia Life Cycle
1) Tick takes a blood meal (sporozoites introduced into host)
2) Trophozie ←→
pathophysiology #infectiousdiseases ... #cdc #parasite
Echinostomiasis - Echinostoma Life Cycle
1) Unembroynated eggs passed in feces
2) Embryonated eggs in water
3) Miracidia hatch
pathophysiology #infectiousdiseases ... #cdc #parasite
Cryptosporidiosis - Cryptosporidium Life Cycle
1) Thick-walled oocyst (sporulated) exits host
2) Contamination of water and food with
pathophysiology #infectiousdiseases ... #cdc #parasite