Heart rate and cardiac arrhythmia during high-Gz flight.

Abstract:

:Twenty-four pilots (age 20-32 years) were monitored with a Holter monitor during 26 hours including a high-Gz flight in order to evaluate heart rate (HR) and cardiac rhythm. Flight experience did not predict the mean in-flight HR (range 69-121 beats/minute), which decreased with increasing age and correlated to the maximum HR during sleep. We recorded maximally 27 ventricular and 97 supraventricular ectopic beats, 10 junctional rhythms, 5 gray-out, 1 vestibular symptom, and 1 instance of numbness of the feet during the flight. No causal relationship between HR, cardiac arrhythmia, or symptoms was found. Adaptation to in-flight +Gz stress takes place without significant arrhythmia and at a submaximal age-related HR.

journal_name

Mil Med

journal_title

Military medicine

authors

Skyttä J,Karjalainen J,Aho J,Laitinen LA,Lindqvist A

subject

Has Abstract

pub_date

1994-07-01 00:00:00

pages

490-3

issue

7

eissn

0026-4075

issn

1930-613X

journal_volume

159

pub_type

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