71 results
Strongyloides fuelleborni Lifecycle
Free-Living Cycle
1) Eggs containing rhabditiform larvae passed in feces.
2) Rhabditiform larvae hatch in environment.
environment. 3) Development ... Parasitic Cycle ... become adults. 8) Parasitic ... intestine 9) Parasitic ... infectiousdiseases #cdc
Strongyloides Stercoralis Lifecycle
Free-Living Cycle:
1) Rhabditiform larvae in the intestine are excreted in stool. 
2) Development into
in stool. 2) Development ... Parasitic Cycle: ... become adults. 8) Parasitic ... infectiousdiseases #cdc ... #parasite
Intestinal Hookworm Life Cycle
1) Eggs in feces
2) Rhabditiform larva hatches
3) Development to filariform larva in environment
4)
larva hatches 3) Development ... infectiousdiseases #cdc ... #parasite
Ascaris lumbricoides - Ascariasis Life Cycle
1) Adults in small intestine
2) Fertilized egg - Unfertilized egg (will
undergo further development ... infectiousdiseases #cdc ... #parasite
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 ... #differential #CD4
Leishmaniasis Life Cycle
1) Sandfly takes a blood meal (injects promastigote stage into the skin)
Human Stages:
2) Promastigotes
infectiousdiseases #cdc ... #parasite
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
infectiousdiseases #cdc ... #parasite
Botfly Larvae on POCUS
JEM Case of the week: 22 yo previously healthy woman presents with an
Botfly Larvae on POCUS ... was found via POCUS ... Botfly #Larvae #POCUS ... clinical #ultrasound #parasite
Recommended Follow-up of Treated Syphilis Cases

EVIDENCE OF TREATMENT FAILURE OR POSSIBLE REINFECTION
• Persistence or recurrence of
post-treatment • The development ... Management #Guidelines #CDC
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... CNS Lymphoma (CD4 ... • Nocardia • Parasitic