16 results
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... prosthetic valve endocarditis ... #Sources #Causes ... #Bacteria #Etiology ... #Differential #Microbiology
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... • Most common cause ... media • Important cause ... peritonitis, and endocarditis ... Pneumoniae #strep #microbiology
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... negative infective endocarditis ... under BCNIE, these bacteria ... culture #negative #Endocarditis ... InfectiousDiseases #Microbiology
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... therapy - Number one cause ... have a fastidious bacteria ... this be a non-bacterial ... Diagnosis #Management #Algorithm
General Bacterial Antibiogram - Antibiotics and Spectrum of Coverage
Make sure you consult your local antibiogram!
VRE -
General Bacterial ... ceftaz-avi, ceftolozane-tazo ... #Antibiotics #Classes ... #Bacterial #Spectrum ... #Pharmacology #Microbiology
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... Differential Diagnosis Algorithm ... Recurrent PE Bacterial ... • Infectious endocarditis ... #causes
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS) Microbiology ... positive in 90% of IE cases ... Septic Emboli Cause ... Treat underlying cause ... • Persistent bacteremia
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Differential Diagnosis Algorithm ... Infection • Bacterial ... polyangiitis / microscopic ... #Causes #Pulmonary
Campylobacter jejuni on Microscopy - "gull wing" spiral curved forms.
Campylobacter grows best in microaerophilic conditions &
Campylobacter jejuni on Microscopy ... the most common cause ... of bacteria diarrhea ... jejuni #clinical #microscopy ... #microbiology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Schonlein Purpura - Endocarditis ... Sjogren's, GPA, EGPA, Microscopic ... #Causes #dermatology