10 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... infective endocarditis ... #Endocarditis # ... InfectiousDiseases ... #Microbiology #
Legionnaire's Disease - Extrapulmonary organ involvement: CNS: Mental confusion, encephalopathic, headache. Cardiac: Relative bradycardia. GI: Loose
Cardiac: Relative ... Renal: Microscopic ... Diagnosis #IM #InfectiousDisease ... Legionnaires #Legionella #Algorithm
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... and Management Algorithm ... above testing negative ... #Diarrhea #Workup ... #Management #Algorithm
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infective Endocarditis ... microbiological techniques Work-up ... #Infective #Endocarditis ... #differential #workup ... #infectiousdiseases
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
infections • Gram-negative ... 13%), Pneumonia, Endocarditis ... fusiform gram-negative ... Capnocytophaga #canimorsus #microbiology ... #zoonotic #infectiousdiseases
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
spread of the Gram-negative ... typically part of the workup ... Diagnosis #Management #Microbiology ... #InfectiousDiseases
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB AFB smear microscopy ... because false-negative ... sample = 95% • A negative ... Testing #Diagnosis #Workup ... LatentTB #ActiveTB #InfectiousDiseases
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Differential Diagnosis Algorithm ... Schonlein Purpura - Endocarditis ... Sjogren's, GPA, EGPA, Microscopic ... deficiency Work ... Differential #Diagnosis #Algorithm
Solid Organ Transplant - Diarrhea - Diagnostic and Workup Algorithm
1st Tier Microbiologic Testing: CDiff (stool), CMV
Diagnostic and Workup ... Algorithm 1st Tier ... Microbiologic Testing ... overgrowth If above negative ... #Algorithm
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Endocarditis - Overview ... Hypercoagulable (APLAS) Microbiology ... aureus, Coagulase-negative ... staphylococci Culture Negative ... Diagnosis #cardiology #infectiousdiseases