9 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... (Aspergillus, Candida ... #diagnosis #causes ... #culture #negative
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
therapy - Number one cause ... of culture negative ... patient a surgical candidate ... #Diagnosis #Management ... #Algorithm
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 ... (Aspergillus, Candida ... BCNIE Diagnostic
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... vs Noninfective Causes ... • HACEK • Culture-negative ... #Noninfective #Causes ... #Differential #Diagnosis
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
- Differential Diagnosis ... Algorithm Pyuria ... Leukocytes on Dipstick/Microscopy ... Hematuria - Dipstick negative ... #Algorithm #Causes
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... and Differential Diagnosis ... dipstick, urine microscopy ... osmolarity If cause
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS ... • Coagulase-negative ... Septic Emboli Cause ... Diagnosis? ... Treat underlying cause
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Cryoglobulinemia, Endocarditis ... • Limited to Kidney ... #differential #diagnosis ... #algorithm #rheumatology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential Diagnosis ... Hypercoagulable (APLAS ... aureus, Coagulase-negative ... Negative: • Bartonella ... Treat underlying cause