35 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 ... ID #Infectious Diseases ... #Infections #Microbiology ... #Micro #Differential
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
available • Blood culture ... (Invasive disease ... Monocytogenes #diagnosis #management ... infectiousdiseases #treatment ... #microbiology
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
Diagnosis and Management ... fastidious gram-negative ... Serology (preferred), Culture ... & GS, PCR Treatment ... #microbiology
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
available • Blood culture ... (Invasive disease ... Monocytogenes #diagnosis #management ... infectiousdiseases #treatment ... #microbiology
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
intracellular gram negative ... test • PCR • Culture ... first line of treatment ... Chlamydia #psittaci #microbiology ... #diagnosis #management
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 ... #diagnosis #management
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS) Microbiology ... • Coagulase-negative ... Cerebral > Splenic, pulmonary ... Marantic (NTBE) Differential ... Endocarditis #diagnosis #management
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
failure • Severe pulmonary ... disease ARDS Diagnosis ... Leptospirosis #Leptospira #microbiology ... #diagnosis #treatment ... #management
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
Diagnosis and Management ... necrosis, Lyme disease ... arthrocentesis w/ fluid culture ... staphylococcus, gram negative ... until cultures
Helicobacter Pylori (H. pylori) Infection - Diagnosis and Management - GrepMed Handbook
Presentation: Dyspepsia / Peptic Ulcer
/ Peptic Ulcer Disease ... developed countries Microbiology ... microaerophilic, gram negative ... (IgG) - cannot differentiate ... #Treatment #quadruple