6 results
Duke's Criteria for Infective Endocarditis
Definite IE - Pathologic Criteria:
 • Pathologic lesions - vegetation or intracardiac
or intracardiac abscess ... or intracardiac abscess ... major clinical criteria ... blood cultures ... Immunologic phenomena • Micro
Capnocytophaga spp on Culture and Blood Smear
Associated w/ dog/human oral flora, can cause bacteremia in immunocompromised
Capnocytophaga spp ... anaerobe; narrow Gram negative ... #Culture #Blood ... #Smear #clinical ... #microscopy #microbiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS) Microbiology ... : Blood cultures ... • Coagulase-negative ... • Blood cultures ... -> TEE • Duke Criteria
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
high index of clinical ... : Serial negative ... blood cultures ... : + (Negative blood ... common, Aortic root abscess
Spinal Epidural Abscess - Illness Script
Epidemiology:
 - Patients at risk for bacteremia: IVDU, dental abscess, HD
, HD catheter, endocarditis ... Alcoholism, DM, HIV Microbiology ... most common (63%) Clinical ... Locate the source: blood ... cultures (positive
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Hypercoagulable (APLAS) Microbiology ... : Blood cultures ... Negative: • Bartonella ... Diagnosis: • Blood ... → TEE • Duke Criteria