13 results
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
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Abscess Pathophysiology ... Lung abscess ... Coccidioides • Parasite ... #differential #causes
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
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
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... lesions • 80% with lung ... Syphilis • Pyogenic Abscess ... • Nocardia • Parasitic ... differential #diagnosis #causes
Loiasis - Loa loa Life Cycle
1) Fly (genus Chrysops) takes a meal (L3 larvae enter bite
blood and in the lungs ... LifeCycle #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... • Infection (abscess ... lumbar spine Signs ... CaudaEquina #Syndrome #MSK ... #pathophysiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Count: Any CD4 ... • CT: Halo sign ... factor • May cause ... possible in HIV PARASITIC ... differential #diagnosis #infectiousdiseases
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases ... Clinical Signs ... years - May have signs ... decreased reflexes Pathophysiology ... intervention CMC
Trypanosomiasis - Trypanosoma cruzi Life Cycle
1) Triatomine bug takes a blood meal (passes metacyclic trypomastigotes in
a blood meal (passes ... LifeCycle #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite