19 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... (IE) Has Negative ... therapy - Number one cause ... #Infective #Endocarditis ... #Negative #BloodCultures
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... vs Noninfective Causes ... amzn.to/2LmUODZ #Endocarditis ... #Noninfective #Causes ... #Differential #
Epidemiological Clues That May be Helpful in Defining the Etiological Diagnosis of Culture-Negative Endocarditis

#Endocarditis #Bacteria #Differential
Epidemiological Clues ... Diagnosis of Culture-Negative ... Endocarditis ... #Endocarditis #Bacteria ... #Differential #
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... prosthetic valve endocarditis ... #Sources #Causes ... Bacteria #Etiology #Differential
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... #differential # ... #culture #negative ... #Endocarditis #
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infective Endocarditis ... but important causes ... ID_fellows #BCNIE #BloodCulture ... #Endocarditis # ... diagnosis #differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
• Coagulase-negative ... Septic Emboli Cause ... Marantic (NTBE) Differential ... Paradoxical emboli via ASD ... Treat underlying cause
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Cryoglobulinemia, Endocarditis ... Pauci-immune mediated (Negative ... Glomerulonephritis #Vasculitis #differential
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Differential Diagnosis ... for Concurrent ... phenomena from endocarditis ... #Differential # ... Diagnosis #causes
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - Differential ... • Typhus, gram-negative ... Non-Infectious Causes ... Associated with Relative ... Fever #Patterns #Differential