14 results
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
and sources of infection ... • Native and ... #Sources #Causes ... Bacteria #Etiology #Differential ... #Microbiology #Diagnosis
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... vs Noninfective Causes ... disease • Systemic infection ... #Differential # ... Diagnosis
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Differential Diagnosis ... for Concurrent ... phenomena from endocarditis ... #Concurrent #Differential ... #Diagnosis #causes
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - Differential ... Diagnosis Framework ... • Typhus, gram-negative ... Causes: • Still's ... #Diagnosis #intermittent
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
is required for diagnosis ... Frequent false-negative ... in up to 30% of cases ... large infarct - Infectious ... #comparison #infective
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... • Coagulase-negative ... Marantic (NTBE) Differential ... Paradoxical emboli via ASD ... Diagnosis?
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infective Endocarditis ... but important causes ... BCNIE Diagnostic ... #Infective #Endocarditis ... #diagnosis #differential
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... phenomena from endocarditis ... #Brain #Lung #Infections ... #Concurrent #Differential ... #Diagnosis #causes
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... phenomena from endocarditis ... #Brain #Lung #Infections ... #Concurrent #Differential ... #Diagnosis #causes
Pyogenic liver abscess in children
Common bacterial causes in children:
 • S.aureus
 • Strep spp
 • Enteric
Common bacterial causes ... • Enteric gram negative ... artery (e.g., endocarditis ... in those with concurrent ... #diagnosis #hepatology