36 results
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
Blood culture contaminants ... Grouped by gram negative ... #Infections #Microbiology ... #Micro #Differential
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... negative infective ... BCNIE #Causes #differential ... #negative #Endocarditis ... InfectiousDiseases #Microbiology
Normal Simmonds-Thompson Test (Negative) for Achilles Tendon Rupture

In this normal Simmonds-Thompson test, plantar flexion of the
Simmonds-Thompson Test (Negative ... Achilles Tendon Rupture ... #Test #Normal #Negative ... #Clinical #Video ... #Sports #msk #orthopedics
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
intracellular gram negative ... test • PCR • Culture ... danger of aerosol) Treatment ... first line of treatment ... Chlamydia #psittaci #microbiology
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
Management Summary Clinical ... arthrocentesis w/ fluid culture ... parenteral Abx, Orthopedics ... staphylococcus, gram negative ... until cultures
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... Alpha-hemolytic, Catalase Negative ... sinus • Sputum culture ... Specificity of 97%) Treatment ... Pneumoniae #strep #microbiology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Normal: < 1% Clinically ... Neutrophil (Normal) Differential ... likelihood of negative ... clinical outcomes ... #Bandemia #differential
Moraxella catarrhalis on culture and microscopy
Only 1-5% of adults are colonized with this Gram neg diplococci
catarrhalis on culture ... ) - Gram negative ... #catarrhalis #culture ... #microscopy #clinical ... #microbiology
CAPD-associated peritonitis (Continuous Ambulatory Peritoneal Dialysis) - 5 Things To Know
Diagnosis (Two of the following):
(1) Clinical
following): (1) Clinical ... Positive effluent culture ... Microbiology: • ... • 15-35% Gram negative ... diverticulitis) Treatment
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
food, salad bar Clinical ... Diagnosis: • Stool culture ... available • Blood culture ... infectiousdiseases #treatment ... #microbiology