9 results
Epidemiological Clues That May be Helpful in Defining the Etiological Diagnosis of Culture-Negative Endocarditis

#Endocarditis #Bacteria #Differential
Epidemiological Clues ... Etiological Diagnosis of Culture-Negative ... #Endocarditis #Bacteria ... #Differential # ... Microorganisms #Clues
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... under BCNIE, these bacteria ... identified with modern culture ... #differential # ... #culture #negative
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
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... but important causes ... identified with modern culture ... - Standard culture ... #diagnosis #differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Culture (+): ... • Coagulase-negative ... staphylococci Culture ... #diagnosis #management ... #cardiology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
in 60%-90% • Culture ... in 70%-85% • Negative ... Monocytogenes or gram negative ... by CSF or urine culture ... #diagnosis #neurology
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
Infective/marantic endocarditis ... MV chordae may rupture ... Causes of functional ... #Differential # ... Diagnosis #Cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential ... Culture Positive ... staphylococci Culture ... • Persistent bacteremia ... Diagnosis #cardiology
Peripartum Cardiomyopathy - Summary
1. Definition
 • Towards the end of pregnancy to 5 months postpartum
exclude other causes ... Differential Diagnosis ... heart disease • Myocardial ... recommend against future ... • During a future