9 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... #Causes #differential ... #culture #negative ... #BCNIE #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 ... #Infective #Endocarditis
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... Noninfective Causes ... • HACEK • Culture-negative ... #Algorithm #Infective ... #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
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Endocarditis (IE ... therapy - Number one cause ... of culture negative ... #Diagnosis #Management ... #Algorithm
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
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Causes of Post-Partum ... Diagnosis Algorithm ... distension • Uterine infection ... chorioamnionitis) • Functional ... delivery) • Uterine rupture
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
mitral stenosis - Infective ... /marantic endocarditis ... MV chordae may rupture ... Causes of functional ... #Differential #
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