yjsd2010

Why sudden fear or emotion can sometimes cause vagal activation leading to bradycardia but fear and anxiety can lead to sympathetic activation that cause tachycardia, increased inotropy and hypertension? And y chronic sympathetic activation induced ...

There are only brief introduction in text book for this and so I am just curious about the contents when read here. Actually my research direction is relevant to cardiovascular field that involved in physiology knowledge of other parts of human body.