6010 results
Stool Cultures - Indications in Diarrhea
Patient Categories to Order Stool Cultures On:
 • Persisting 1 week
Stool Cultures - ... to Order Stool Cultures ... positive stool culture ... iMedEducation #Stool #Cultures ... #Indications #diagnosis
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Negative Blood Cultures ... antibiotics prior to cultures ... Number one cause of culture ... BloodCultures #Diagnosis
Duke's Criteria for Infective Endocarditis
Definite IE - Pathologic Criteria:
 • Pathologic lesions - vegetation or intracardiac
demonstrated by culture ... Positive blood cultures ... positive blood culture ... positive blood culture ... #Endocarditis #diagnosis
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
Peripheral blood cultures ... • Additional culture ... fever, positive cultures ... Obtain single blood culture ... #criticalcare #diagnosis
Endocarditis - Duke Criteria - Major and Minor

MAJOR CRITERIA: 
 - Persistently +ve blood culture for
Persistently +ve blood culture ... Positive blood cultures ... #Major #Minor #Diagnosis
Asymptomatic Bacteriuria - Definition

> 100,000 colony forming units of a single pathogen on two urine cultures
pathogen on two urine cultures ... positive urine culture ... is a clinical diagnosis ... #Diagnosis # ... Diagnosis #Asymptomatic
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Differential Diagnosis ... having positive cultures ... including blood cultures ... counts may delay diagnosis ... #differential #diagnosis
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Good to poor • Culture ... clot: poor • Culture ... clot: Good • Culture ... Fungal stain and culture ... Interpretation #diagnosis
Epidemiological Clues That May be Helpful in Defining the Etiological Diagnosis of Culture-Negative Endocarditis

#Endocarditis #Bacteria #Differential
the Etiological Diagnosis ... of Culture-Negative ... #Differential #Diagnosis
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB • LTBI is diagnosed ... • The goal of diagnosing ... Mycobacterial culture ... Liquid and solid cultures ... Mycobacterial culture