Chronotropic, Inotropic, Dromotropic, Bathmotropic Actions Explained || Cardiac Tropism
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Video Summary:
Chronotropic action means a change in heart rate. It is produced by action on the SA node. Inotropic action means a change in contractility. It is produced by changes in Ca level inside the cardiac muscle. Dromotropic action means a change in impulse conduction through the AV node. And of course, they are produced by action on the AV node. Finally, bathmotropic action means a change in excitability. It is produced by altering resting membrane potential.
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Dr. Vipul Navadiya
DISCLAIMER: This video is for education purposes only. Although every effort is made to ensure the accuracy of the material, viewers should refer to the appropriate regulatory body/authorized websites, guidelines, and other suitable sources of information as deemed relevant and applicable. In view of the possibility of human error or changes in medical science, any person or organization involved in the preparation of this work accepts no responsibility for any errors or omissions, or results obtained from the use of information in this video.
