13 results
Strongyloides fuelleborni Lifecycle
Free-Living Cycle
1) Eggs containing rhabditiform larvae passed in feces.
2) Rhabditiform larvae hatch in environment.
Strongyloides fuelleborni ... Parasitic Cycle ... #Strongyloides # ... #diagnosis #pathophysiology ... infectiousdiseases #cdc
Strongyloides Stercoralis Lifecycle
Free-Living Cycle:
1) Rhabditiform larvae in the intestine are excreted in stool. 
2) Development into
Strongyloides Stercoralis ... #Strongyloides # ... 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 ... <50), Strongyloides ... failure, COPD, Lung
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
commonly liver and lung ... LifeCycle #diagnosis #pathophysiology ... infectiousdiseases #cdc ... #parasite
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... lesions • 80% with lung ... CNS Lymphoma (CD4 ... • Nocardia • Parasitic ... RingEnhancing #Lesions #Brain
Intestinal Hookworm Life Cycle
1) Eggs in feces
2) Rhabditiform larva hatches
3) Development to filariform larva in environment
4)
circulation in the lungs ... lifecycle #diagnosis #pathophysiology ... infectiousdiseases #cdc ... #parasite
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Necrosis of lung ... Abscess Pathophysiology ... Diagnosis: • CBC ... Coccidioides • Parasite
Ascaris lumbricoides - Ascariasis Life Cycle
1) Adults in small intestine
2) Fertilized egg - Unfertilized egg (will
and migrate to lungs ... LifeCycle #diagnosis #pathophysiology ... infectiousdiseases #cdc ... #parasite
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Disease by CD4 ... Count: Any CD4 ... possible in HIV PARASITIC ... and dyspnea • Strongyloides
Cysticercosis - Taenia solium Life Cycle
1) Eggs or gravid proglottids in feces and passed into environment.
2)
subcutaneous tissues, brain ... LifeCycle #diagnosis #pathophysiology ... infectiousdiseases #cdc ... #parasite