Innervation of the Heart: Revision Points

on

 

Innervation of the Heart: Revision Points

System

Location

Neurotransmitter

Effect

Receptor

Parasympathetic

Atria and conducting tissues

Acetylcholine (ACh)

Negative chronotropic, dromotropic, and inotropic

Muscarinic (M2)

Sympathetic

Throughout the heart

Norepinephrine (NE)

Positive chronotropic, dromotropic, and inotropic

Beta-1 (β1)

Positive inotropic

Alpha-1 (α1)

 

 

 

Comments

Post a Comment