4 results
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... cultures remain negative ... #Infective #Endocarditis ... #diagnosis #differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
mitral regurgitation ... • Coagulase-negative ... Marantic (NTBE) Differential ... Paradoxical emboli via ASD ... Marantic: Emboli > Regurgitation
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential ... mitral regurgitation ... aureus, Coagulase-negative ... Paradoxical emboli via ASD ... #Differential #
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Negative Contrast ... Right Atrium - Differential ... Small secundum ASD ... Inadequate injection ... echocardiogram #s4c