What is the difference between right & left sided heart failure?

Written by valerie liles
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What is the difference between right & left sided heart failure?
Know the difference between right- and left-sided heart failure. (broken heart image by mahmoudmahdy from Fotolia.com)

Dropping off carbon dioxide and picking up and pumping oxygenated blood throughout the body is essentially the process of a well-functioning heart. Consequences are different in right- and left-sided heart failure.

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Normal Anatomy

The anatomy of the heart consists of four chambers, two on the right and two on the left: the two upper chambers are called the atria, (one is an atrium), the two lower chambers are called ventricles. The American Heart Association (AHA) explains how the right side of the heart receives blood from the body and becomes a "holding tank" for oxygen-depleted blood. When full, the right ventricle pumps the blood to the lungs. The blood drops off carbon dioxide, picks up fresh oxygen and sends it to the left side of the heart.

What is the difference between right & left sided heart failure?
The right heart receives blood from the body. (heart image by Shmakov Serge from Fotolia.com)

Heart Failure

"Heart failure is a chronic, progressive condition in which the heart muscle is unable to pump enough blood through the heart to meet the body's needs for blood and oxygen. Basically, the heart can't keep up with its workload," according to the AHA.

What is the difference between right & left sided heart failure?
The left heart pumps blood to the body. (heart image by Soja Andrzej from Fotolia.com)

Left Heart Failure

The AHA reports two types of left-sided heart failure. Systolic failure is when the left ventricle loses its ability to contract normally. The heart can no longer pump with enough force to push the blood into the body. Diastolic failure is when the left ventricle loses the ability to relax between beats, so that the heart can't fill properly.

What is the difference between right & left sided heart failure?
Left-sided heart failure will cause chest dscomfort. (broken heart image by Yanta from Fotolia.com)

Right Heart Failure

Right-sided or right ventricular (RV) heart failure occurs when the left ventricle fails to accept blood causing an increased fluid pressure allowing the blood to backwash into the lungs, ultimately damaging the heart's right side. When the right side loses pumping power, blood backs up in the body's veins. This usually causes swelling in the legs and ankles according to the AHA.

What is the difference between right & left sided heart failure?
Right heart failure causes swelling in the body. (heart image by Tom Hirtreiter from Fotolia.com)

Effects

Eventually the heart and body can no longer maintain. The individual begins to experience fatigue, breathing problems or pain warranting a trip to their physician or emergency room.

What is the difference between right & left sided heart failure?
Left- and right-sided heart failure is life threatening. (heart attack image by JASON WINTER from Fotolia.com)

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