TL;DR news on Pulse oximeter at August 27, 2023

Pulse oximeters are currently available online and from pharmacies from about A$23 but can be over $100. Respiratory rate as an indicator Jens Geiseler, chief physician of pneumology at Klinikum Vest in Marl, takes a more critical view of the use of pulse oximeters at home. I bought a pulse oximeter so I could literally prove to myself that oxygen was still reaching my heart while an attack was happening.