Archive | Stethoscope


#Cadmium: Older/Vintage Black Tycos Stethoscope

Vintage Tycos Stethoscope. Tested with an XRF instrument. Year of manufacture is unknown. Tested negative for Lead (Pb), Mercury (Hg) and Arsenic (As), but positive for Cadmium (Cd) at 150 +/- 13 ppm on the rubber tubing component.  All components tested.   Read more about cadmium toxicity here. Thanks to Marya Shahriary for donating and […]

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c. 2014 Littman Nurses’ Stethoscope: 1,828 ppm Lead in the tubing. Why is medical equipment positivie for ANY amount of Lead?

3M Littman Brand Nurse’s stethoscope with red tubing: 1,828 ppm lead (What!!!!?) in the red tubing. New item owned by a professional nurse, tested in 2014. In my personal opinion medical equipment should not test positive for any Lead at all! The amount of Lead that is considered toxic in an item intended for use […]

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