Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

For decades, the pulse oximeter; a small clip-on device used to measure oxygen levels in the blood has been considered a universal lifesaver. From surgery theatres to neonatal wards, it's a frontline ...

A prospective study conducted at Avicenna University Hospital (Cadi Ayyad University) suggests that the plethysmographic ...

A prospective study conducted at Avicenna University Hospital (Cadi Ayyad University) suggests that the plethysmographic perfusion index (PPI), a ...