1,3 Beta-D-Glucan and Galactomannan - Pathogens, and ...
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1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and crytococci. Primarily studied for candida, aspergillosis, and pneumocystis
False positives:
 • Patients on hemodialysis (cellulose membranes), Glucan-containing gauzes and surgical sponges, surgical patients, Albumin infusions, Some beta-lactams
Galactomannan:
 • Most specific for diagnosing invasive aspergillosis (IA), reacts inconsistently in other fungi 
 • False positives: Beta lactam antibiotics, Guar gum and soy polysaccharides (both in enteral nutrition), Foods (tea, milk, pasta, rice, pepper), Aspiration pneumonia, Plasmalyte (IV and BAL)

- Dr. David Serota
@serotavirus

#BetaDGlucan #Galactomannan #Pathogens #Testing #Characteristics #Sensitivity #Specificity #Laboratory #InfectiousDiseases #Diagnosis #Fungus #Fungi #Fungal
Contributed by

Dr. Gerald Diaz
@GeraldMD
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief 🇵🇭 🇺🇸 - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG:  https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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