27 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... lesions • 80% with lung ... • Nocardia • Parasitic ... RingEnhancing #Lesions #Brain ... #differential #diagnosis
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
- Differential Diagnosis ... negative culture Brain ... endemic fungi - Parasitic ... #Differential #Diagnosis ... #InfectiousDiseases
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
CNS Ring-Enhancing ... - Differential Diagnosis ... bacterial, fungal, parasitic ... Malignancy: Metastases (lung ... #Differential #Diagnosis
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... and Lung Lesions ... Coccidioides • Parasite ... #Differential #Diagnosis ... #causes #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... and Lung Lesions ... Coccidioides • Parasite ... #Differential #Diagnosis ... #causes #infectiousdiseases
Problem Representation - Approach to the Infectious Disease Patient

Who: Patient age and host/risk factors (such as
illness script (e.g. brain ... and lung lesions ... febrilepodcast@gmail.com #InfectiousDiseases ... #History #HPI #Diagnosis
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
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... , wt loss; CV, CNS ... Variable) - Fungal, parasites ... #Eosinophilic #Lung ... #differential #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
Rigors And Bacteremia - Overview

• Rigors are a response to the release of cytokines and prostaglandins
Transport to brain ... transport across blood-brain ... circumventricular organs CNS ... Pathophysiology #InfectiousDiseases ... #Diagnosis