22 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Negative Abscess - Differential ... Diagnosis Framework ... Toxoplasmosis, Entamoeba Skin ... Dracunculiasis - Non-Infectious ... Blastomycosis - Non-Infectious
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
Differential diagnosis ... of Skin + Eye infections ... : Candida spp, Aspergillus ... #Differential # ... Diagnosis #viral
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Transplant Infections ... Staphylococci (skin ... Staphylococci (skin ... #Timeline #differential ... #diagnosis #causes
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
infection (IFI) ... cut-offs defined in clinical ... BAL GM does not differentiate ... Galactomannan #diagnosis ... #comparison
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
- Differential ... Diagnosis Framework ... Inhalation • Skin ... pulmonary disease • Aspergillus ... #differential #
Disseminated Cutaneous Blastomycosis- A fungal culture of skin tissue was negative; however, a skin biopsy showed
culture of skin ... staining confirmed a diagnosis ... infection of Blastomyces ... #clinical #photo ... #derm #NEJM #cutaneous
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
Sporotrichiosis Infection ... wax and wane; diagnosis ... trauma leads to skin ... biopsy preferred Differential ... #clinical #photo
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
antimicrobials, clinical ... (Aspergillus, Candida ... BCNIE Diagnostic ... #Endocarditis #diagnosis ... #differential #
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Diagnosis Algorithm ... GI, lung, skin), ... eosinophilia) • Infectious ... ascariasis), Scabies, Fungi ... (Cocci, Aspergillus
Waterborne Infections - Differential Diagnosis Framework

Infections that can be acquired from fresh water, brackish water, sea
- Differential ... Diagnosis Framework ... Blooms (HABs) Skin ... is biphasic • Clinical ... #Differential #