59 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... Abscess - Differential ... as a cause of a negative ... #Abscess #Differential ... #Diagnosis #InfectiousDiseases
Echinostomiasis - Echinostoma Life Cycle
1) Unembroynated eggs passed in feces
2) Embryonated eggs in water
3) Miracidia hatch
LifeCycle #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite ... #fluke
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
epidermidis - Gram-negative ... ) - Culture negative ... Enterococci - Gram-negative ... Pathogens #Diagnosis #Differential ... #InfectiousDiseases
Clonorchiasis - Clonorchis sinensis Life Cycle
1) Embryonated eggs passed in feces.
2) Eggs ingested by the snail
LifeCycle #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite ... #fluke
Differential diagnosis for pyogenic liver abscess:
Infectious etiologies predominate. Most are pyogenic (bacterial). Amebic (Entamoeba histolytica) and
Differential diagnosis ... Endemic Fungi Parasite ... Fasciola (liver fluke ... hepatic #hepatology #Differential
Fasciola hepatica - Liver Fluke Life Cycle - Fascioliasis 
Ruminants are the typical definitive hosts.
1) Unembroynated
hepatica - Liver Fluke ... . 7) Immature flukes ... LifeCycle #diagnosis #pathophysiology ... #infectiousdiseases ... #Fascioliasis #parasite
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
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
LifeCycle #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
Differential diagnosis ... , M. leprae • Parasitic ... #dermatology #InfectiousDiseases ... #Infections #Differential
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Drug fever #relative ... bradycardia #Causes #differential ... #diagnosis #infectiousdiseases