9 results
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 ... Hookworm #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 #neurology
Ascaris lumbricoides - Ascariasis Life Cycle
1) Adults in small intestine
2) Fertilized egg - Unfertilized egg (will
and migrate to lungs ... lumbricoides #Ascariasis #LifeCycle ... #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 ... Antimicrobial treatment ... opportunistic #InfectiousDiseases ... #Neurology
Loiasis - Loa loa Life Cycle
1) Fly (genus Chrysops) takes a meal (L3 larvae enter bite
blood and in the lungs ... Loiasis #Loaloa #LifeCycle ... #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Lymphadenopathy, CNS ... possible in HIV PARASITIC ... #differential #diagnosis ... #infectiousdiseases
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
and infects the CNS ... Diagnosis: MRI ... HIV and with low CD4 ... Treatment: • HAART ... dementia #AIDS #Neurology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
especially the CNS ... MC: CNS CSF: • ... change in the lungs ... nails, bronchi, lungs ... ) #Mycoses #InfectiousDiseases