65 results
CENTRAL FACIAL / NASAL LESIONS
Bacteria:
 • Leprosy (saddle nose deformity)
 • Tuberculosis (lupus vulgaris)l
 • Endemic
Endemic treponemal infection ... Invasive mold infection ... Blastomycosis Parasite ... Central #Lesions #infections ... #diagnosis #infectiousdiseases
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
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Diagnosis: • Non-Infectious ... Viral, Fungal, Parasite ... take 48 hrs for infections ... Tissue penetration (CNS ... rxn), Secondary infection
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
endemic fungi - Parasitic ... Blastomycosis - Parasite ... Dracunculiasis - Non-Infectious ... Blastomycosis - Non-Infectious ... Differential #Diagnosis #InfectiousDiseases
Initiation of ART in HIV patients with Opportunistic Infections
 • Pulmonary TB and CD4 cell count
Opportunistic Infections ... count >50 • CNS ... Opportunistic #Infections ... #management #infectiousdiseases
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... + toxo IgG • CNS ... splenomegaly Other infections ... multiple lesions Infectious ... • Nocardia • Parasitic
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
CNS Ring-Enhancing ... Differential Diagnosis • Infections ... bacterial, fungal, parasitic ... multiforme, Primary CNS ... StanfordChiefs #CNS
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
of Skin + Eye infections ... , M. leprae • Parasitic ... #dermatology #InfectiousDiseases ... #Infections #Differential
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Infectious: Legionella ... spotted fever, Non-infectious ... : ß-blockers, CNS ... differential #diagnosis #infectiousdiseases
Infectious Causes of Adrenal Insufficiency
Anatomical distribution of vessels to the adrenal makes the gland prone to
Infectious Causes ... primary adrenal infection ... Pneumocystis Jiroveci • Parasites ... TheIDtrivia #Infectious ... endocrinology #infectiousdiseases