13 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... identified with modern culture ... #differential # ... #culture #negative ... #CNIE #BCNIE #cardiology
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
), Spontaneous rupture ... , 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 ... #workup #infectiousdiseases
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Culture (+): ... staphylococci Culture ... that may lead to infarction ... Marantic (NTBE) Differential ... #cardiology
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Causes of Post-Partum ... Hemorrhage - Differential ... post Caesarean section ... distension • Uterine infection ... delivery) • Uterine rupture
Causes of Severe Aortic Regurgitation - Differential Diagnosis
Acute:
 • Leaflet: Traumatic Rupture, Acute Infective Endocarditis, Acute
Causes of Severe ... Regurgitation - Differential ... Leaflet: Traumatic Rupture ... - Leaflet: • Infection ... #cardiology
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Deformity / Limp - Differential ... Diagnosis Algorithm Infection ... (e.g., Tendon Rupture ... Deformity #Limp #MSK ... #Differential #
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
MV chordae may rupture ... wall trauma, LV infarction ... from myocardial infarction ... Primary #Functional #Differential ... #Diagnosis #Cardiology
Endocarditis - Overview and Differential Diagnosis Framework

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