9 results
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... prosthetic valve endocarditis ... #Sources #Causes ... #Differential #Microbiology
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... #culture #negative ... #Endocarditis # ... InfectiousDiseases #Microbiology
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... Alpha-hemolytic, Catalase Negative ... • Most common cause ... media • Important cause ... peritonitis, and endocarditis
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
serology: Serial negative ... Frequent false-negative ... cultures/serology: + (Negative ... in up to 30% of cases ... #comparison #infective
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS) Microbiology ... positive in 90% of IE cases ... • Coagulase-negative ... Septic Emboli Cause ... Treat underlying cause
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Hypercoagulable (APLAS) Microbiology ... aureus, Coagulase-negative ... staphylococci Culture Negative ... Septic emboli cause ... Treat underlying cause
Apical variant HCM - Importance of Acoustic Mismatch (CMR vs TTE)

Detailed Case Review: https://www.youtube.com/watch?v=2853TSxaeh4

V.L.Sorrell, MD @VLSorrellImages

#Apical
TTE) Detailed Case ... #Apical #HCM #a4c ... cardiacmri #CMR #comparison ... clinical #cardiology #pocus
Complex Pericardial Effusion with Tamponade on POCUS Echocardiogram - A4C
Pt sent to ED c intradialytic hypotension.
with Tamponade on POCUS ... Echocardiogram - A4C ... Cultures including TB negative ... consider serious causes ... Echocardiogram #A4C
Pyogenic liver abscess in children
Common bacterial causes in children:
 • S.aureus
 • Strep spp
 • Enteric
Common bacterial causes ... • Enteric gram negative ... from contiguous focus ... artery (e.g., endocarditis