Document Detail


Investigating autonomic control of the cardiovascular system: a battery of simple tests.
MedLine Citation:
PMID:  24292919     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Sympathetic and parasympathetic divisions of the autonomic nervous system constantly control the heart (sympathetic and parasympathetic divisions) and blood vessels (predominantly the sympathetic division) to maintain appropriate blood pressure and organ blood flow over sometimes widely varying conditions. This can be adversely affected by pathological conditions that can damage one or both branches of autonomic control. The set of teaching laboratory activities outlined here uses various interventions, namely, 1) the heart rate response to deep breathing, 2) the heart rate response to a Valsalva maneuver, 3) the heart rate response to standing, and 4) the blood pressure response to standing, that cause fairly predictable disturbances in cardiovascular parameters in normal circumstances, which serve to demonstrate the dynamic control of the cardiovascular system by autonomic nerves. These tests are also used clinically to help investigate potential damage to this control.
Authors:
Christopher D Johnson; Sean Roe; Etain A Tansey
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Advances in physiology education     Volume:  37     ISSN:  1522-1229     ISO Abbreviation:  Adv Physiol Educ     Publication Date:  2013 Dec 
Date Detail:
Created Date:  2013-12-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100913944     Medline TA:  Adv Physiol Educ     Country:  United States    
Other Details:
Languages:  eng     Pagination:  401-4     Citation Subset:  IM    
Affiliation:
Centre for Biomedical Sciences Education, Queen's University, Belfast, Northern Ireland.
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