Relating oxygen partial pressure, saturation and content: the haemoglobin–oxygen dissociation curve

Relating oxygen partial pressure, saturation and content: the haemoglobin–oxygen dissociation curve

The delivery of oxygen by arterial blood to the tissues of the body has a number of critical determinants including blood oxygen concentration (content), saturation (S O2 ) and partial pressure, haemoglobin concentration and cardiac output, including its distribution. The haemoglobin-oxygen dissociation curve, a graphical representation of the relationship between oxygen satur-ation and oxygen ...

Improved gasometric methods for estimating oxygen content and percentage saturation in haemoglobin dissociation curve determinations.

B y using carbon m onoxide as a reagent for releasing oxygen from blood solutions (instead o f the custom ary potassium ferricyanide) and by com bining the techniques o f the Van Slyke constant-volum e gasom etric apparatus and the Scholander gas analysis apparatus, a precise m ethod has been devised o f estim ating oxygen content and carbon m onoxide capacity sim ul­ taneously on one and the s...

Improved gasometric methods for estimating oxygen content and percentage saturation in haemoglobin dissociation curve determinations

B y using carbon m onoxide as a reagent for releasing oxygen from blood solutions (instead o f the custom ary potassium ferricyanide) and by com bining the techniques o f the Van Slyke constant-volum e gasom etric apparatus and the Scholander gas analysis apparatus, a precise m ethod has been devised o f estim ating oxygen content and carbon m onoxide capacity sim ul­ taneously on one and the s...

Monitoring oxygen in the newborn: saturation or partial pressure?

In vivo integrated photoacoustic and confocal microscopy of hemoglobin oxygen saturation and oxygen partial pressure.

We developed dual-modality microscope integrating photoacoustic microscopy (PAM) and fluorescence confocal microscopy (FCM) to noninvasively image hemoglobin oxygen saturation (sO₂) and oxygen partial pressure (pO₂) in vivo in single blood vessels with high spatial resolution. While PAM measures sO₂ by imaging hemoglobin optical absorption at two wavelengths, FCM quantifies pO₂ using phosphores...