title: [Changes in electrocardiogram and cardiac phase during various stages in foreign manned spaceflight activities and the analysis of their possible mechanisms].
abstract: Electrocardiography (ECG) is still the only method for continuous medical observation during various stages of foreign manned spaceflight activities, and it also serves as an important item for medical monitoring in the project for manned spaceflight activities in our country. With electrocardiography, pulse or heart rate (one of the four life signs) and cardiac function can continuously be observed. Cardiac phase relative to ECG is a main index reflecting cardiac function. Understanding of the results of ECG and cardiac phase and their mechanisms during various stages of foreign manned spaceflight activities will be helpful in establishing emergency measures in the course of manned spaceflight activities in our country.
authors.affiliation: Institute of Space Medico-Engineering, Beijing, China.
authors.forename: D S
authors.initials: DS
authors.lastname: Wang
authors.forename: W
authors.initials: W
authors.lastname: Ren
authors.forename: Q L
authors.initials: QL
authors.lastname: Xiang
authors.forename: L
authors.initials: L
authors.lastname: Sun
authors.forename: Z X
authors.initials: ZX
authors.lastname: Liu
authors.forename: S N
authors.initials: SN
authors.lastname: Su
mesh_terms: D000337:Aerospace Medicine; D002320:Cardiovascular Physiological Phenomena; D004562:Electrocardiography; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D008991:Monitoring, Physiologic; D013026:Space Flight; D014893:Weightlessness