Document Detail

ECG-ST level, maximal oxygen uptake, and ventilatory threshold during treadmill exercise test in athletes and non-athletes.
MedLine Citation:
PMID:  8797032     Owner:  NLM     Status:  MEDLINE    
In order to define the relationships between ECG-ST level, maximal oxygen uptake (VO2 max), and ventilatory threshold (VT), the treadmill running test was carried out in a symptom-limited manner by increasing the speed and gradient gradually. The ECG-V5ST level, O2 consumption (VO2), and minute ventilation (VE) were successively monitored with cardiorespiratory capacity-measuring equipment in 21 athletes and 10 non-athletes. There was no significant correlation between the lowest ST level and % VO2 max. However, a significant correlation was observed between the lowest ST level and the ratio of VO2 value at the lowest ST level to that at the VT point in both groups. Namely, the ST level showed a tendency to depress maximally after the exercise stress passed over the VT point, with a deeper depression in non-athletes. These preliminary results suggest that we should be careful of the cardiac condition when exercise stress over the VT point is loaded on both athletes and non-athletes.
T Kitagawa; Y Mizushima; H Sato; K Yamaji
Publication Detail:
Type:  Clinical Trial; Controlled Clinical Trial; Journal Article    
Journal Detail:
Title:  In vivo (Athens, Greece)     Volume:  10     ISSN:  0258-851X     ISO Abbreviation:  In Vivo     Publication Date:    1996 May-Jun
Date Detail:
Created Date:  1996-12-03     Completed Date:  1996-12-03     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8806809     Medline TA:  In Vivo     Country:  GREECE    
Other Details:
Languages:  eng     Pagination:  307-11     Citation Subset:  IM    
Kitagawa Internal Medicine Clinic, Toyama University, Japan.
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MeSH Terms
Exercise Test
Linear Models
Middle Aged
Oxygen Consumption / physiology*
Pulmonary Ventilation*
Running / physiology*

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