31 results
Cyclosporiasis - Cyclospora cayetanensis Life Cycle
Oocyst (Unsporulated)
1) Excretion of unsporulated oocysts in the stool
2) Environmental contamination
3)
Cyclosporiasis - Cyclospora cayetanensis ... food chain 5) Ingestion ... LifeCycle #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... as a cause of a negative ... Dracunculiasis - Non-Infectious ... Blastomycosis - Non-Infectious ... Differential #Diagnosis #InfectiousDiseases
Cyclosporiasis - Diagnosis and Management Summary
Pathogen: 
 • Cyclospora cayetanensis
 • Foodborne, waterbone, and soil-transmitted.
 •
Diagnosis and Management ... • Cyclospora cayetanensis ... intracellular parasite ... transmission as zoonotic infection ... #microbiology #infectiousdiseases
Strongyloides fuelleborni Lifecycle
Free-Living Cycle
1) Eggs containing rhabditiform larvae passed in feces.
2) Rhabditiform larvae hatch in environment.
L3) larvae. 6) Infective ... Parasitic Cycle ... intestine 9) Parasitic ... #diagnosis #pathophysiology ... #infectiousdiseases
Leishmaniasis Life Cycle
1) Sandfly takes a blood meal (injects promastigote stage into the skin)
Human Stages:
2) Promastigotes
amastigotes) 6) Ingestion ... LifeCycle #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... infective endocarditis ... causes #culture #negative ... #Endocarditis #InfectiousDiseases ... #CNIE #BCNIE #cardiology
Capillariasis - Capillaria philippinensis Life Cycle
1) Unembryonated, thick-shelled eggs passed in feces.
2) Eggs become embryonated in
in water. 3) Infective ... intermediate host. 4) Ingestion ... LifeCycle #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Bacteremia Quick Reference - Treatment Duration

Gram Negative Bacteremia:
 • Avoid: Aminoglycosides and tigecycline
 • Catheters should
Duration Gram Negative ... thrombophlebitis, IE, infection ... of metastatic infection ... Bacteremia #Treatment #Management ... #Duration #infectiousdiseases
Strongyloides Stercoralis Lifecycle
Free-Living Cycle:
1) Rhabditiform larvae in the intestine are excreted in stool. 
2) Development into
L3) larvae. 6) Infective ... Parasitic Cycle: ... LifeCycle #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
Diagnosis and Management ... fastidious gram-negative ... Coccobacillus - Zoonotic Infection ... tularensis #diagnosis #management ... #treatment #infectiousdiseases