Turns out that the fingertip pulse oximeter[1] I have works surprisingly well on a toe. Probably only applicable if you work from home though. [1] http://www.

Turns out that the fingertip pulse oximeter[1] I have works surprisingly well on a toe. Probably only applicable if you work from home though. [1] http://www.nonin.com/OEMSolutions/WristOx2-Model-3150-OEM http://www.nonin.com/OEMSolutions/WristOx2-Model-3150-OEM