The Pacemaker of the Heart

Tags:
Heart Of Pacemaker The
dizzo95
  • Affiliate Submitter:
    dizzo95
  • International International
  • Comments: 0
  • Views: 556
  • Added: 03-Aug-07

The Pacemaker of the Heart

The pacemaker of the heart, a tiny area of specialized nervous tissue in the right atrium, sets the heart beating about seventy times a minute. Without it the heart would beat only forty times per minute, which is too slow for the body's needs. The pacemaker, or sinuatrial node, regularly sends out nerve impulses which spread through the two atria, causing them to contract. From the atrioventricular node the contraction spreads down special conducting tissue, the bundle of His, causing the ventricles to contract and pump blood out of the heart.

  1. Categories: How To
Comments on

The Pacemaker of the Heart

6 Comments | Add Comment
  • my frind has a pace ...

    my frind has a pace maker

    By lily14895 [Affiliate User] 1210612973 Reply Spam Moderate Up Moderate Down
  • I had VNS Surgery. ...

    I had VNS Surgery. Vagus Nerve Stimulator implanted in me.

    By 78452312 [Affiliate User] 1208522237 Reply Spam Moderate Up Moderate Down
  • Izzy is lucky. We ...

    Izzy is lucky. We doctor have advanced lots since the past 10 years. I don't want to frighten people but Heart surgery is very trick but like all apointed procedures the risks of damage are very slim. ES is actualy more risky than anything else

    By RandomLesson101 [Affiliate User] 1208159676 Reply Spam Moderate Up Moderate Down
  • i have an ...

    i have an artificial one :(

    By Izzythegecko [Affiliate User] 1207840206 Reply Spam Moderate Up Moderate Down
  • i had heart surgery ...

    i had heart surgery so this is interesting

    By N1TEMAR3187 [Affiliate User] 1193387000 Reply Spam Moderate Up Moderate Down
  • My doctor wants to ...

    My doctor wants to burn my AV node and have my ICD take over? wtf

    By TBaker1964 [Affiliate User] 1186639080 Reply Spam Moderate Up Moderate Down
6 Comments | Add Comment
 
kpins