What is Renal Tubular Acidosis?

Inability of the kidneys to remove sufficient amounts of acid from the body, making the blood more acidic than normal. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org

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What is Renal Colic?

A severe pain on one side of the lower back, usually as a result of a kidney stone. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org

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What is REM sleep?

Rapid eye movement sleep; the stage of sleep in which dreaming occurs. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org

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What is Remission?

The temporary disappearance of a disease or its symptoms, either partially or completely; also refers to the time period in which this occurs. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org

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What is Relapse?

The return of a disease or symptom after it had disappeared. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org

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What is Rehydration?

Treatment for dehydration (an abnormally low level of water in the body) in which levels are restored by taking fluids containing water, salt, and glucose by mouth or, if severe, through a vein. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org

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What is Reiter’s Syndrome?

A disorder characterized by inflammation of the joints, urethra, and sometimes the conjunctiva. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org

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What is Regurgitation?

The backflow of fluid; can refer to food and drink flowing back up from the stomach into the mouth or blood flowing back into the heart through a defective heart valve. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org

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What is Reflux Esophagitis?

The backflow of gastric acid from the stomach to the lower esophagus, owing to a defect in the valve that separates them. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org

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