98 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
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... - Differential Diagnosis ... , NTB, Fungal, Parasitic ... disease • Autoimmunity ... #Disease #Diagnosis
Strongyloides fuelleborni Lifecycle
Free-Living Cycle
1) Eggs containing rhabditiform larvae passed in feces.
2) Rhabditiform larvae hatch in environment.
Parasitic Cycle ... become adults. 8) Parasitic ... intestine 9) Parasitic ... #diagnosis #pathophysiology ... infectiousdiseases #cdc
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... Chorioretinitis • Diagnosis ... lesions • 80% with lung ... • Nocardia • Parasitic ... #differential #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Periodontal disease ... Abscess Pathophysiology ... : • CBC - Leukocytosis ... Coccidioides • Parasite
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Penicillium marneffei Parasitic ... : • CD4 < 200 ... failure, COPD, Lung ... Infectious Diseases ... HIVAIDS #workup #diagnosis
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
Ascaris lumbricoides - Ascariasis Life Cycle
1) Adults in small intestine
2) Fertilized egg - Unfertilized egg (will
and migrate to lungs ... Ascariasis #LifeCycle #diagnosis ... #pathophysiology ... infectiousdiseases #cdc ... #parasite
Leishmaniasis Life Cycle
1) Sandfly takes a blood meal (injects promastigote stage into the skin)
Human Stages:
2) Promastigotes
Leishmaniasis #LifeCycle #diagnosis ... #pathophysiology ... infectiousdiseases #cdc ... #parasite
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
- Differential Diagnosis ... bacterial, fungal, parasitic ... Malignancy: Metastases (lung ... Demyelinating Disease ... #Differential #Diagnosis