19 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... infective endocarditis ... #Endocarditis # ... InfectiousDiseases
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... Blood Cultures ... therapy - Number one cause ... #Infective #Endocarditis ... #Diagnosis #Management
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Schonlein Purpura - Endocarditis ... : • Complete blood ... • Fecal occult blood ... Diagnosis #Algorithm #Causes
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 ... diagnosis #algorithm #rheumatology
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
& hemorrhagic rash ... CNS and hematologic ... disseminates in blood ... fetal blood vessel ... peds #pediatrics #pathophysiology
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
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Diagnosis and Management ... Manifestations: Malar rash ... Positive in 60-80% of cases ... pANCA anti-MPO - Negative ... #Summary #rheumatology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
dogs & latter can cause ... fastidious gram-negative ... bacillus cause ... to meningitis, endocarditis ... #dermatology #clinical
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Microbiology: Blood ... • Coagulase-negative ... Septic Emboli Cause ... • Blood cultures ... #diagnosis #management
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
maculopapular rash ... Causes purpura & ... TRALI): Leading cause ... Transfusion #diagnosis #management ... #hematology #reactions