Richard Johnston

Richard Johnston (rjohnston@pftforum.com) is with Beth Israel Deaconess Medical Center, Boston, Massachusetts. PFTBlog.com PFTHistory.com

Associated articles

IEEE PULSE, Retrospectroscope January/February 2014
Spirometry: A Historical Gallery Up to 1905
“And the Lord God formed the man from the dust of the ground and breathed into his nostrils the breath of life, and the man became a living being.” (Genesis 2:7) In Latin, spirare means to breathe; hence, spirometry deals with the measurement... Read more
IEEE PULSE, Retrospectroscope May/June 2016
Metabolism: The Physiological Power-Generating Process
The rate of doing work, expressed as the amount of work per unit—commonly measured in units such as watt or horsepower—is power in physics. It is the work–time rate or the energy released or transferred. A previous “Retrospectroscope” note, published early in... Read more