5 results
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
Causes of Mitral ... ), Spontaneous rupture ... rupture • Papillary ... Papillary muscle rupture ... #causes #primary
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... • Infection with ... special media) • Infection ... identified with modern culture ... - Standard culture
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Involves aortic and mitral ... Culture (+): ... • Coagulase-negative ... staphylococci Culture ... #cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
involves aortic and mitral ... Culture Positive ... staphylococci Culture ... Diagnosis #cardiology ... #infectiousdiseases
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
• Common clinical ... can present with primarily ... in 60%-90% • Culture ... by CSF or urine culture ... diagnosis #neurology