After the age of 40, commercial and military pilots undergo EKG testing annually. EKGs record the electrical signals in the heart to detect problems and monitor cardiac health. One of the measures, the PR interval, measures the conduction of electricity from upper to lower chambers.
Last fall, the Federal Aviation Administration changed the acceptable PR interval for pilots:
"On October 24, 2022, the FAA quietly, without any announcement at all, widened the EKG requirements necessary for pilots to be able to fly.
"The PR (a measure of heart function) used to be in the range of .12 to .2.
"It is now: .12 to .3...
"This is a very wide range; it accommodates people who have cardiac injury."
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At www.lewrockwell.com
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