15 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... Did they receive antibiotics ... have a fastidious bacteria ... this be a non-bacterial ... BloodCultures #Diagnosis
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... for TPN) and antibiotic ... Sources #Causes #Bacteria ... #Differential #Microbiology ... #Diagnosis #Pathogens
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... cause of: CAP, Bacterial ... peritonitis, and endocarditis ... Diagnosis: • Physical ... #diagnosis #management
Infographic of common causes of acute otitis media and resistance mechanisms of these bacteria. 
Streptococcus pneumoniae
Haemophilus
mechanisms of these bacteria ... PenicillinBindingProtein #Resistance #microbiology ... #differential #diagnosis ... #antibiotics #EmpiricGame
SPICE (SPACE) Organisms
 - Colloquial acronym for gram-negative bacteria that have inducible, chromosomal beta-lactamase genes known
gram-negative bacteria ... to beta-lactam antibiotics ... Pseudomonas #Diagnosis ... #Microbiology # ... SPICE #SPACE #Bacteria
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
negative infective endocarditis ... under BCNIE, these bacteria ... #differential #diagnosis ... InfectiousDiseases #Microbiology ... #CNIE #BCNIE #cardiology
SPICE (SPACE) Organisms

Gram-negative bacteria that have inducible, chromosomal beta-lactamase genes known as AmpC - Resistance may
Gram-negative bacteria ... Pseudomonas #Diagnosis ... #Microbiology # ... SPICE #SPACE #Bacteria ... AmpC #Resistance #Antibiotics
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Causes of Antibiotic ... Framework Diagnosis ... Bug: Atypical bacteria ... Aggressive: MRSA bacteremia ... lines, osteo, endocarditis
Spinal Epidural Abscess - Illness Script
Epidemiology:
 - Patients at risk for bacteremia: IVDU, dental abscess, HD
Patients at risk for bacteremia ... , HD catheter, endocarditis ... Alcoholism, DM, HIV Microbiology ... Surgical drainage - Antibiotics ... Epidural #Abscess #diagnosis
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS) Microbiology ... Diagnosis? ... • IV Antibiotics ... • Persistent bacteremia ... #cardiology