32 results
Duke's Criteria for Infective Endocarditis
Definite IE - Pathologic Criteria:
 • Pathologic lesions - vegetation or intracardiac
for Infective Endocarditis ... demonstrated by culture ... positive blood culture ... positive blood culture ... involvement - Echocardiogram
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... identified with modern culture ... BCNIE #Causes #differential ... diagnosis #causes #culture ... #CNIE #BCNIE #cardiology
Epidemiological Clues That May be Helpful in Defining the Etiological Diagnosis of Culture-Negative Endocarditis

#Endocarditis #Bacteria #Differential
Etiological Diagnosis of Culture-Negative ... Endocarditis ... #Endocarditis #Bacteria ... #Differential #
Systolic Murmurs - Differential Diagnosis Algorithm
Benign / Flow / Hyperdynamic:
 • Pregnancy
 • Fever
 • Anemia
Supravalvular
Systolic Murmurs - Differential ... Chordae Tendinae • Rupture ... • Infarct • Rupture ... Systolic #Murmurs #Cardiology ... #Differential #
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
for Infective Endocarditis ... Histoplasma) - Culture ... streptococci - Culture ... #Infective #Endocarditis ... Pathogens #Diagnosis #Differential
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
), Spontaneous rupture ... infarction, Tendineae rupture ... Papillary muscle rupture ... Regurgitation #differential ... #diagnosis #cardiology
Cardiac Rupture with Pericardial Effusion

Apical 4 chamber. Note larger right sided pericardial effusion with significant compression
Cardiac Rupture ... concerning for cardiac rupture ... RJonesSonoEM #Rupture ... MyocardialInfarction #AMI #POCUS #Echocardiogram ... #ultrasound #Cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
90% of IE cases Culture ... staphylococci Culture ... Marantic (NTBE) Differential ... • Blood cultures ... diagnosis #management #cardiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... identified with modern culture ... - Standard culture ... #diagnosis #differential
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... • HACEK • Culture-negative ... amzn.to/2LmUODZ #Endocarditis ... Noninfective #Causes #Differential