[Effect of acute normobaric hypoxia on electrical stability of the myocardium in healthy people].
We studied the impact of acute 10-min normobaric hypoxia on myocardial electrical stability, systolic and diastolic cardiac functions in 10 young healthy men. Hypoxia induced a decrease of ejection fraction and left ventricular early peak filling velocity. The QTc interval was prolonged during normobaric hypoxia without QT dispersion increase. Electrocardiographic investigation with assessment of QT-interval must be mandatory before normobaric hypoxic therapy is started. Prolonged QT interval is contraindication to normobaric hypoxic therapy.
Shutov
A M
AM
Midlenko
Iu V
IuV
Menzorov
M V
MV
Vrazhnov
O A
OA
Kulikova
L S
LS
D000293:Adolescent; D000328:Adult; D004562:Electrocardiography; D006321:Heart / Q000502:physiology*; D006334:Heart Function Tests; D006801:Humans; D000860:Hypoxia; D008297:Male; D012016:Reference Values
Vliianie ostroĭ normobaricheskoĭ gipoksii na élektricheskuiu stabil'nost' miokarda u zdorovykh liudeĭ.