14 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... identified with modern culture ... #Causes #differential ... #culture #negative ... #BCNIE #cardiology
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
), Spontaneous rupture ... rupture • Papillary ... Papillary muscle rupture ... #diagnosis #cardiology ... #causes #primary
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 ... #diagnosis #differential
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... vs Noninfective Causes ... disease • Systemic infection ... • HACEK • Culture-negative ... #Differential #
A primer on the causes, evaluation and management of Acute Myocardial Infarction in Young Patients. 
Obstructive:
A primer on the ... causes, evaluation ... and management ... of Acute Myocardial ... Infarction in Young
Approach to the Hypotensive Patient - Differential Diagnosis Framework for Hypotension

Blood Pressure = Heart Rate x
dysfunction - Myocardial ... infarction - ... Free wall rupture ... Papillary muscle rupture ... #diagnosis #causes
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 Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
Causes of Primary ... Infective/marantic endocarditis ... MV chordae may rupture ... #Differential # ... Diagnosis #Cardiology
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
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Complications of acute myocardial ... infarction • Aortic ... OTHER RARE CAUSES ... may have false negative ... #Diagnosis #cardiology