A member asked:

Why does vasoconstriction increase heart rate?

A doctor has provided 1 answer

It doesn't: If you give a pure vasoconstrictor like norepinephrine which has no effect on cardiac conduction, it will actually slow the heart reflexively and it's used for that purpose - to terminate tachyrhythmias.

Answered 5/27/2016

4.6k views

Thank

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