9 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... #diagnosis #causes ... #culture #negative ... #Endocarditis #InfectiousDiseases
Point-of-care Ultrasound for Diagnosis of Abscess in Skin and Soft Tissue Infections

1. POCUS is more accurate
POCUS is more accurate ... than physical exam ... cellulitis in cases ... POCUS has a negative ... Accuracy #Diagnosis #Exam
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... cultures remain negative ... but important causes ... #BloodCulture #Negative ... differential #workup #infectiousdiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... antibiotics as a cause ... #Abscess #Differential ... #Diagnosis #InfectiousDiseases
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
on histologic exam ... serology: Serial negative ... Frequent false-negative ... in up to 30% of cases ... common, Aortic root abscess
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
aureus, Coagulase-negative ... staphylococci Culture Negative ... Septic emboli cause ... Treat underlying cause ... Diagnosis #cardiology #infectiousdiseases
Pyogenic liver abscess in children
Common bacterial causes in children:
 • S.aureus
 • Strep spp
 • Enteric
Pyogenic liver abscess ... Common bacterial causes ... • Enteric gram negative ... from contiguous focus ... , perinephric abscess
Perirectal Cellulitis: Extensive inflammation and swelling of the right buttocks secondary to infection.
This can be distinguished
from a perirectal abscess ... pain on digital exam ... absent in this case ... Images #Clinical #Photo
Foreign Body (Thorn) on Finger POCUS

This 45yo diabetic male presents with finger pain 4 weeks after
Thorn) on Finger POCUS ... inspection on exam ... , & a negative xray ... Thx AS for the photo ... Thorn #Finger #POCUS