4 results
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
Causes of Mitral ... ), Spontaneous rupture ... infarction, Tendineae rupture ... Papillary muscle rupture ... #causes #primary
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
Causes of Primary ... of primary mitral ... Infective/marantic endocarditis ... MV chordae may rupture ... #Causes #Primary
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
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 ... in 70%-85% • Negative ... by CSF or urine culture