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20. January 2022 by Peter Steen

The structure of the heart

The structure of the heart
20. January 2022 by Peter Steen

The heart consists of four chambers – two antechambers and two chambers of the heart. The antechambers are also called atria (one atrium) and the heart chambers for ventricles (one ventricle). The heart must partly pump the “old” blood, where the oxygen is used out in the body, through the lungs, so that the blood can be supplied with new energy (= oxygen) and partly pump the “fresh” blood, which is oxygenated in the lungs, into the body as our “fuel”. The circulation in the heart is illustrated with a blue side (right atrium and right ventricle), which receives the oxygen-poor blood from the body and pumps it out into the pulmonary circulation. And a red side (left atrium and left ventricle), which receives the oxygen-rich blood from the lungs and pumps it out into the body.

The structure of the heart
  1. Aorta
  2. Pulmonary artery
  3. Left atrium
  4. Right atrium
  5. Right ventricle
  6. Left ventricle

Normal heart
  1. Sinus node
  2. Left Atrium
  3. AV-node
  4. Bundle of his
  5. Left ventricle
  6. Right and left bundle branches
  7. Purkinje fibers

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Peter Steen Hansen

"Rhythm doctor" is cardiologist and electrophysiologist Peter Steen Hansen, with more than 25 years experience dealing with heart rhythm disorders.

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