21 results
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
for TPN) and antibiotic ... #Sources #Causes ... #Bacteria #Etiology ... #Differential #Microbiology ... #Diagnosis #Pathogens
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... Did they receive antibiotics ... therapy - Number one cause ... this be a non-bacterial ... BloodCultures #Diagnosis
Infographic of common causes of acute otitis media and resistance mechanisms of these bacteria. 
Streptococcus pneumoniae
Haemophilus
Infographic of common causes ... mechanisms of these bacteria ... PenicillinBindingProtein #Resistance #microbiology ... #differential #diagnosis ... #antibiotics #EmpiricGame
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
• Most common cause ... of: CAP, Bacterial ... media • Important cause ... Diagnosis: • Physical ... Specificity of 97%) Treatment
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 ... #negative #Endocarditis ... InfectiousDiseases #Microbiology
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Causes of Antibiotic ... Bug: Atypical bacteria ... Immunocompromise Treatment ... lines, osteo, endocarditis ... • Secondary to Treatment
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... treatment until ... Pathogens: • Aerobic Bacteria ... • Anaerobic Bacteria ... #differential #causes
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... : Bacterial infection ... upper lid • Cause ... Warm compresses, antibiotic ... #Clinical #Diagnosis
Spinal Epidural Abscess - Illness Script
Epidemiology:
 - Patients at risk for bacteremia: IVDU, dental abscess, HD
, HD catheter, endocarditis ... Alcoholism, DM, HIV Microbiology ... imaging as needed Treatment ... 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 ... Septic Emboli Cause ... Diagnosis? ... • IV Antibiotics ... Treat underlying cause