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Glossary

Terms

R


Red blood cell
A type of cell in your body found in the blood whose function it is to carry oxygen to all the tissues of the body
Resistance
The opposing force to the flow of a fluid, such as blood
Right heart (cardiac) catheterization
A procedure during which a catheter (small flexible tube) is advanced from a vein in you arm or leg to the right side of the heart and into the pulmonary arteries in order to measure pressure