11 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
negative infective endocarditis ... #Causes #differential ... culture #negative #Endocarditis ... #InfectiousDiseases ... #BCNIE #cardiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Culture-Negative Infective Endocarditis ... special stains (e.g ... Negative #Infective #Endocarditis ... #diagnosis #differential ... #workup #infectiousdiseases
Relative Risk of Various Predisoosing Conditions for Infective Endocarditis 
High Risk:
 - Prosthetic valves 
 -
- Prosthetic valves ... - Aortic valve ... disease - Mitral ... #RiskFactors #Cardiology ... #Diagnosis #Differential
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
fever, Infective endocarditis ... • Prosthetic valve ... annulus valve: ... Regurgitation #differential ... #diagnosis #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
• Prosthetic valve ... Involves aortic and mitral ... Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG ... #management #cardiology
Causes of mitral stenosis
Rheumatic heart disease
 - Most common cause worldwide. Commissural fusion, thick MV leaflets
Causes of mitral ... disease Infective endocarditis ... atrial myxoma)/ball valve ... Causes #diagnosis #differential ... #cardiology
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Pulse Pressure - Differential ... sclerosis (both heart valve ... • Infective Endocarditis ... • Mitral Regurgitation ... • Mitral Stenosis
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
and Functional Mitral ... Infective/marantic endocarditis ... valve - Secondary ... Primary #Functional #Differential ... #Diagnosis #Cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential ... involves aortic and mitral ... ↑ ESR, CRP • EKG ... #Endocarditis #Differential ... #infectiousdiseases
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... heart failure • Mitral ... valve prolapse ... stenosis) • Severe mitral ... #Differential #