10 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... Tropheryma whipplei, Fungi ... #Causes #differential ... #Endocarditis #InfectiousDiseases ... #Microbiology #
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... cultures remain negative ... fastidious bacteria or fungi ... Endocarditis #diagnosis #differential ... #workup #infectiousdiseases
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Transplant Infections ... Staphylococci (skin), Gram-negative ... #Transplant #Infections ... #Timeline #differential ... diagnosis #causes #infectiousdiseases
Morphology of Fungal Infections in Tissues
Fungal infections with hyphae or pseudohyphae in tissues:
 • Yeasts with
Tissues Fungal infections ... Tissues #pathology #fungi ... yeast #hyphae #microbiology ... #differential # ... diagnosis #atlas #infectiousdiseases
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
Differential diagnosis ... #eye #ocular #dermatology ... #InfectiousDiseases ... #Infections #Differential ... viral #fungal #Microbiology
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Abscess - Differential ... Scedosporium, endemic fungi ... Dracunculiasis - Non-Infectious ... #Abscess #Differential ... #Diagnosis #InfectiousDiseases
Helicobacter Pylori (H. pylori) Infection - Diagnosis and Management - GrepMed Handbook
Presentation: Dyspepsia / Peptic Ulcer
Pylori (H. pylori) Infection ... developed countries Microbiology ... microaerophilic, gram negative ... (IgG) - cannot differentiate ... past infection
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
immunosuppressive therapy ... including therapy ... diagnosis • Microbiologic ... #differential # ... diagnosis #infectiousdiseases
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... Hypercoagulable (APLAS) Microbiology ... • Coagulase-negative ... Marantic (NTBE) Differential ... antimicrobial therapy
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... Hypercoagulable (APLAS) Microbiology ... aureus, Coagulase-negative ... antimicrobial therapy ... Diagnosis #cardiology #infectiousdiseases