61 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... - Differential Diagnosis ... Emboli, Fungal Infection ... , NTB, Fungal, Parasitic ... #Disease #Diagnosis
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
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
Life Cycle 1) Adult ... commonly liver and lung ... #pathophysiology ... #infectiousdiseases ... #cdc #parasite
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
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
with underlying lung ... disease. 15% mortality ... as disseminated disease ... Mycobacterium #diagnosis ... #differential #infectiousdiseases
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
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
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,
Intestinal Hookworm Life Cycle
1) Eggs in feces
2) Rhabditiform larva hatches
3) Development to filariform larva in environment
4)
penetrates skin 5) Adults ... circulation in the lungs ... #pathophysiology ... #infectiousdiseases ... #cdc #parasite
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