Document Detail

An algorithm establishing a defined ergometric cardiovascular load.
MedLine Citation:
PMID:  8123766     Owner:  NLM     Status:  MEDLINE    
A computer-aided procedure is presented to regulate the workload on an ergometric bicycle to an individually fixed level of heart rate as the criterion, applying an integral controller algorithm. The workload is incremented in a few variable steps asymptotically to the target heart rate. A free parameter of the algorithm has been fixed empirically. In the empirical evaluation of the quality of this procedure, a strictly linear relationship of individual Watt increment and rise in heart rate was found in 27 subjects, with a median correlation of 0.95. The procedure is recommended for specific ergometric workload regulation in which an upper limit of rise in heart rate should not be surpassed, e.g. in cardiac rehabilitation. The procedure can also be generalized to comparable regulation tasks, e.g. in the management of blood pressure to avoid an hypertensive crisis.
C Wagner; G Kirchner; V E Kollenbaum; B Dahme
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Biomedizinische Technik. Biomedical engineering     Volume:  38     ISSN:  0013-5585     ISO Abbreviation:  Biomed Tech (Berl)     Publication Date:  1993 Nov 
Date Detail:
Created Date:  1994-04-08     Completed Date:  1994-04-08     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  1262533     Medline TA:  Biomed Tech (Berl)     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  270-5     Citation Subset:  IM; S    
Fachbereich Informatik & Psychologisches Institut III, Universität Hamburg.
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MeSH Terms
Blood Pressure / physiology
Exercise Test / instrumentation*
Heart Rate / physiology
Hemodynamics / physiology*
Physical Exertion / physiology
Reference Values

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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