23 results
Ascaris lumbricoides - Ascariasis Life Cycle
1) Adults in small intestine
2) Fertilized egg - Unfertilized egg (will
and migrate to lungs ... Maturation proceeds ... #pathophysiology ... #infectiousdiseases ... #cdc #parasite
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
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
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... lesions • 80% with lung ... • Nocardia • Parasitic ... #differential #diagnosis ... #causes #radiology
Schistosoma Life Cycle - Schistosomiasis
1) Eggs shed from infected human: in feces, in urine
2) Eggs hatch
blood in liver and maturation ... Schistosomiasis #diagnosis ... #pathophysiology ... #infectiousdiseases ... #cdc #parasite
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... Demyelinating disease caused ... #differential #diagnosis ... opportunistic #InfectiousDiseases
Loiasis - Loa loa Life Cycle
1) Fly (genus Chrysops) takes a meal (L3 larvae enter bite
blood and in the lungs ... Loaloa #LifeCycle #diagnosis ... #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... • Most common cause ... Abscess Pathophysiology ... Coccidioides • Parasite
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... →Activation of CD8 ... Auto-amplification loop Diagnosis ... salmonella, ...), Parasites ... Drugs, Unknown cause
Cysticercosis - Taenia solium Life Cycle
1) Eggs or gravid proglottids in feces and passed into environment.
2)
intestinal tapeworm infection ... TaeniaSolium #LifeCycle #diagnosis ... #pathophysiology ... #infectiousdiseases ... #cdc #parasite