29 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Endocarditis (IE) Has Negative ... Did they receive antibiotics ... Decreased yield due to antibiotic ... -> Serological Testing ... BloodCultures #Diagnosis
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
(TST) False-negative ... because false-negative ... sample = 95% • A negative ... #Diagnosis #Workup ... LatentTB #ActiveTB #InfectiousDiseases
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea - Workup ... meds, Consider diagnostic ... : • Consider diagnostic ... hospitalization or antibiotics ... Chronic #Diarrhea #Workup
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
spread of the Gram-negative ... susceptibility testing ... • Laboratory testing ... typically part of the workup ... #Microbiology #InfectiousDiseases
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
Pathogens, and Testing ... Most specific for diagnosing ... positives: Beta lactam antibiotics ... Specificity #Laboratory #InfectiousDiseases ... #Diagnosis #Fungus
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... Microbiologic-Testing ... negative and diarrhea ... #Diarrhea #Workup ... Algorithm #Transplant #diagnosis
Algorithm for the Evaluation of Acute Diarrhea (< 7 days)
Are the following present?
   1.
hospitalization or antibiotics ... Ova and parasite testing ... Consider empiric antibiotic ... management #algorithm #workup ... #diagnosis
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
patients with anemia, diagnose ... Non-invasive testing ... endoscopy only if: • Negative ... Gastrointestinal #Evaluation #workup ... #diagnosis #gastroenterology
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... - Differential Diagnosis ... Consider prior antibiotics ... #Differential #Diagnosis ... #InfectiousDiseases
SPICE (SPACE) Organisms

Gram-negative bacteria that have inducible, chromosomal beta-lactamase genes known as AmpC - Resistance may
Organisms Gram-negative ... susceptibility testing ... Pseudomonas #Diagnosis ... AmpC #Resistance #Antibiotics