The time between the apex beat of the heart and the radial pulse beat.
Continually vs. ContinuouslyToday we’re going to explore the meanings and uses of the adverbs continually and continuously. These terms, along with their adjective forms continual and continuous, are often used interchangeably in speech and writing, but style guides urge writers to practice discernment when using continually and continuously. In formal contexts, continually should be used to mean “very often; at regular or frequent intervals,” and continuously to …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.