20 results
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... which can also cause ... is caused by HACEK ... is caused by Alpha-haemolytic ... #Diagnosis #InfectiousDiseases
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... Did they receive antibiotics ... Decreased yield due to antibiotic ... therapy - Number one cause ... #Infective #Endocarditis
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... #culture #negative ... #Endocarditis # ... InfectiousDiseases
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... prosthetic valve endocarditis ... for TPN) and antibiotic ... #Sources #Causes
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... Consider prior antibiotics ... as a cause of a ... Differential #Diagnosis #InfectiousDiseases
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... serology: Serial negative ... Frequent false-negative ... cultures/serology: + (Negative ... in up to 30% of cases
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... Cryoglobulinemia, Endocarditis ... Pauci-immune mediated (Negative
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
positive in 90% of IE cases ... • Coagulase-negative ... Septic Emboli Cause ... • IV Antibiotics ... Treat underlying cause
Schizophrenia: Pathogenesis and Symptoms
Increased dopaminergic transmission in mesolimbic projection
-> Dopaminergic neurons here project into the limbic
is thought to cause ... is thought to cause ... Negative Symptoms ... Schizophrenia #pathophysiology ... diagnosis #symptoms #signs
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... but important causes ... #Infective #Endocarditis ... differential #workup #infectiousdiseases