17 results
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
Echinococcus Life Cycle 1) ... commonly liver and lung ... pathophysiology #infectiousdiseases ... #cdc #parasite
Intestinal Hookworm Life Cycle
1) Eggs in feces
2) Rhabditiform larva hatches
3) Development to filariform larva in environment
4)
Hookworm Life Cycle 1) ... circulation in the lungs ... pathophysiology #infectiousdiseases ... #cdc #parasite
Cysticercosis - Taenia solium Life Cycle
1) Eggs or gravid proglottids in feces and passed into environment.
2)
solium Life Cycle 1) ... intestinal tapeworm infection ... subcutaneous tissues, brain ... pathophysiology #infectiousdiseases ... #cdc #parasite
Ascaris lumbricoides - Ascariasis Life Cycle
1) Adults in small intestine
2) Fertilized egg - Unfertilized egg (will
Ascariasis Life Cycle 1) ... and migrate to lungs ... pathophysiology #infectiousdiseases ... #cdc #parasite
C.diff - Clostridioides Difficile Infection (CDI) - Diagnosis and Management - GrepMed Handbook

Clinical Presentation + Progression:
Epidemiology: • #1 ... nosocomial infection ... 10 mg/kg IV x 1 ... IDSA 2021 CDI ... management #treatment #infectiousdiseases
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 ... differential #diagnosis #causes
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Coccidioides • Parasite ... #Lung #Infections ... Differential #Diagnosis #causes ... #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Coccidioides • Parasite ... #Lung #Infections ... Differential #Diagnosis #causes ... #infectiousdiseases
Loiasis - Loa loa Life Cycle
1) Fly (genus Chrysops) takes a meal (L3 larvae enter bite
loa Life Cycle 1) ... blood and in the lungs ... pathophysiology #infectiousdiseases ... #cdc #parasite
Amebiasis - Naegleria fowleri - Life Cycle
1) Cysts
2) Trophozoite
3) Flagellated Form
4) Promitosis
→ Water-related activities such as
- Life Cycle 1) ... migrate to the brain ... Trophozoites in CSF and brain ... pathophysiology #infectiousdiseases ... #cdc #parasite