49 results
Strongyloides fuelleborni Lifecycle
Free-Living Cycle
1) Eggs containing rhabditiform larvae passed in feces.
2) Rhabditiform larvae hatch in environment.
to free living adults ... where they become adults ... adult female in ... #diagnosis #pathophysiology ... #infectiousdiseases
Strongyloides Stercoralis Lifecycle
Free-Living Cycle:
1) Rhabditiform larvae in the intestine are excreted in stool. 
2) Development into
Parasitic Cycle: ... . 8) Parasitic ... stercoralis #LifeCycle #diagnosis ... #pathophysiology ... #infectiousdiseases
3 Stages of Lyme Disease 
Early Lyme Disease 
 - Erythema migrans 
 - Constitutional symptoms
Acute Disseminated Infection ... Cutaneous - Neurologic ... - Neurologic ... #Stages #InfectiousDiseases ... #Diagnosis
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
- Differential Diagnosis ... demyelination), Infectious ... (fungal, TB, parasitic ... neurocognitive disease ... #Differential #Diagnosis
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
Life Cycle 1) Adult ... Echinococcus #LifeCycle #diagnosis ... #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Adult-Onset Still's ... Differential Diaqnoses ... : • Infectious ... Complications: MAS ... #diagnosis #management
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... salmonella, ...), Parasites ... • Autoimmune diseases ... : SLE+++, Adult-onset ... Still disease,
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
- Differential Diagnosis ... Dracunculiasis - Non-Infectious ... Autoimmune: Crohn's disease ... #Differential #Diagnosis ... #InfectiousDiseases
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... multiple lesions Infectious ... • Nocardia • Parasitic ... #differential #diagnosis ... causes #radiology #neurology
Filariasis - Life Cycle of Wuchereria bancrofti
1) Mosquito takes a blood meal
2) Adults in lymphatics
3) Adults
blood meal 2) Adults ... filariasis #lifecycle #diagnosis ... #pathophysiology ... #infectiousdiseases ... #cdc #parasite