57 results
Strongyloides fuelleborni Lifecycle
Free-Living Cycle
1) Eggs containing rhabditiform larvae passed in feces.
2) Rhabditiform larvae hatch in environment.
Parasitic Cycle ... intestine 9) Parasitic ... #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
commonly liver and lung ... Echinococcus #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 ... - Differential Diagnosis ... antibiotics as a cause ... negative culture Brain ... #InfectiousDiseases
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 ... stercoralis #LifeCycle #diagnosis ... 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 ... Intestinal #lifecycle #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite
Ascaris lumbricoides - Ascariasis Life Cycle
1) Adults in small intestine
2) Fertilized egg - Unfertilized egg (will
and migrate to lungs ... Ascariasis #LifeCycle #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite
Malaria - Plasmodium Life Cycle
1) Mosquito takes a blood meal (injects sporozoites)
Human Liver Stages
2) Infected liver
Plasmodium #lifecycle #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
) Fungal: • CD4 ... Penicillium marneffei Parasitic ... : • CD4 < 200 ... failure, COPD, Lung ... HIVAIDS #workup #diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... lesions • 80% with lung ... • Nocardia • Parasitic ... RingEnhancing #Lesions #Brain ... #causes #radiology
Babesiosis - Babesia Life Cycle
1) Tick takes a blood meal (sporozoites introduced into host)
2) Trophozie ←→
Babesia #LifeCycle #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite