Basic Heart Anatomy

Basic Heart Anatomy

Your heart has four chambers and is approximately the size of a fist.  The chambers are: left ventricle, right ventricle, left atrium and right atrium.

The left and right ventricles pump blood out of the heart into your body.  The right ventricle pushes blood to your lungs and the left ventricle pumps blood to all of the other organs.

The right and left atrium hold the blood that returns to your heart and they empty it into the left and right ventricles at the proper moment.heart


Picture your heart as the right heart pump and left heart pump working together in a cycle.  This is your heart’s function, to pump blood and circulate it throughout the body.

Your body’s organs return your inadequately oxygenated blood to the right atrium.  It is kept there until the right atrium contracts and allows your blood to enter into the right ventricle. Then the right ventricle contracts and the blood pumps into the pulmonary artery and next to your lungs where it gathers oxygen.

The left side pumps the well oxygenated blood. The blood returns from your lungs into the left atrium and will stay there until it contracts. When it contracts, the mitral valve opens and the blood enters into the left ventricle. The left ventricle will contract and the aortic valve will open and the blood will be pushed into your aorta, the main artery of the body. The aorta then carries the blood throughout your body.


Essentially, the beat of your heart is your heart pumping.  When you have a heart arrhythmia there is something irregular about the rhythm of the pumping of your heart.   Nearly any arrhythmia can cause palpitations (extra heart beats).

To properly diagnose that the issue is not more serious, check with your doctor.  (LINK for your heart tests)

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