4914 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... identified with modern culture ... BCNIE #Causes #differential ... diagnosis #causes #culture ... #CNIE #BCNIE #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
90% of IE cases Culture ... staphylococci Culture ... Marantic (NTBE) Differential ... • Blood cultures ... diagnosis #management #cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... 90% of IE cases Culture ... staphylococci Culture ... #Endocarditis #Differential ... #Diagnosis #cardiology
Blood Culture Collection Algorithm - Adult Patients with Suspected Systemic Infection 

Pawlowicz et al evidenced based
Blood Culture Collection ... to obtain blood cultures ... drawing blood cultures ... warrant blood cultures ... warrant blood cultures
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
Duke's Criteria for Infective Endocarditis
Definite IE - Pathologic Criteria:
 • Pathologic lesions - vegetation or intracardiac
demonstrated by culture ... Positive blood cultures ... separate blood cultures ... positive blood culture ... positive blood culture
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Neutrophil (Normal) Differential ... having positive cultures ... including blood cultures ... sensitivity of 67% for culture ... #Bandemia #differential
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
Early and Late Complications of Acute Myocardial Infarction - Timeline of Complications
 - Ventricular Arrhythmias
 -
Papillary Muscle Rupture ... Ventricular Septal Rupture ... - LV Free Wall Rupture ... #Diagnosis #Cardiology
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