Where Did This Strange Mycobacteria Come From? - Barbara D. Alexander, MD / Kevin Winthrop, MD

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IDBR Infectious Disease Board Review

John Bennett, MD / Henry Masur, MD

22 episodes

6 days ago

The Infectious Disease Board Review (IDBR) Course is designed to help physicians prepare for the American Board of Internal Medicine (ABIM) Infectious Disease certification/recertification exam. This comprehensive review features exam-focused lectures presented by the Nation’s leading infectious disease experts, case-based reviews, online practice exams featuring over 500 ABIM-style and photo-based questions, and additional study guides and primers. https://www.idbrcourse.org/

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Where Did This Strange Mycobacteria Come From? - Barbara D. Alexander, MD / Kevin Winthrop, MD

IDBR Infectious Disease Board Review

4 minutes 1 second

1 year ago

Where Did This Strange Mycobacteria Come From? - Barbara D. Alexander, MD / Kevin Winthrop, MD

A 62-year-old male was seen for low grade fever and weight loss over the past month.

He had undergone aortic valve replacement in 2015 with a bioprosthesis. Transesophageal

echocardiography found no evidence of endocarditis and routine blood cultures were negative.

Mycobacterial blood cultures grew Mycobacterium chimaera.

The patient lived in a rural area, drank well water and had a pond in this back yard with Koi fish.

The most likely source of this Mycobacterial infection is which of the following:

A. Operating room air

B. Bioprosthetic valve

C. Well water

D. Fish pond

E. Intestinal lesion