55 results
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
manifestations of active ... Mycobacterial culture ... Liquid and solid cultures ... Mycobacterial culture ... #InfectiousDiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... identified with modern culture ... diagnosis #causes #culture ... #Endocarditis #InfectiousDiseases ... #CNIE #BCNIE #cardiology
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Diagnosis: • Stool culture ... available • Blood culture ... diagnosis #management #infectiousdiseases ... #treatment #microbiology
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Diagnosis: • Stool culture ... available • Blood culture ... diagnosis #management #infectiousdiseases ... #treatment #microbiology
Candidates for Medical Treatment of Ectopic Pregnancy with Methotrexate 
 - Hemodynamically stable 
 - No
Candidates for Medical Treatment ... evidence of ectopic rupture ... comply with post-treatment ... fetal cardiac activity
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
test • PCR • Culture ... danger of aerosol) Treatment ... first line of treatment ... diagnosis #management #treatment ... #infectiousdiseases
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
with passive AND active ... arthrocentesis w/ fluid culture ... arthritis diagnosis Treatment ... arthritis in sexually active ... until cultures
Coccidiomycosis - Diagnosis
Diagnosis:
 • Mildly elevated peripheral WBC, Eosinophilia (25%), Elevated ESR, Procalcitonin normal (95%)
 •
-8%), Empyema (rupture ... trend response to treatment ... immunodiffusion test) • Culture ... 7 days to grow culture ... Diagnosis #workup #infectiousdiseases
Ivermectin. Old anti-parasitic agent making a comeback with recent headlines from in-vitro study that showed antiviral
showed antiviral activity ... Pandemic #Outbreak #InfectiousDiseases ... #Pharmacology #Treatment
Bacteremia Quick Reference - Treatment Duration

Gram Negative Bacteremia:
 • Avoid: Aminoglycosides and tigecycline
 • Catheters should
Quick Reference - Treatment ... • No follow up cultures ... Follow-up blood cultures ... #Bacteremia #Treatment ... Management #Duration #infectiousdiseases