Thursday, 19 December 2013

Bain Bridge Reflex

Bain- bridge reflex -  
True reflex
Not by activation of stretch reflex
On injecting saline into the blood vessel of an anaesthetised animal HR increases if previously it was LOW
Vagus mediated reflex
Explains y there is increased HR in MI
In MI the reflex is mediated due to release of seratonin from damaged tissue in the vessels of LEFT ventricle
Seratonin released into vessels of Atria or right ventricle does not initiate the reflex

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