Category: R

  • Red cell distribution width

    An assessment of the diversity in size among red blood cells.  

  • Red blood cell indices

    Parameters utilized to characterize the dimensions and hemoglobin concentration of red blood cells.  

  • Recurrent ulcer

    Peptic ulcers that flare up after healing. They may be caused a helicobacter pylori bacterial infection and are treated with a combination of antibiotics and gastric acid-reducing medications, like proton pump inhibitors.

  • Recurrent corneal erosion

    Recurrent wearing away of the cornea, potentially caused by insufficient recovery from a prior abrasion.  

  • Recurrent abdominal pain

    Repetitive abdominal discomfort in children, occurring at least once a month, and not attributable to an underlying medical condition.  

  • Recombinant protein

    A transformed or altered version of a protein that enables the production of the modified protein in significant quantities.  

  • Recessive trait

    A hereditary characteristic that manifests visibly only when both gene copies responsible for that trait are present; an individual exhibiting a recessive trait must have acquired one copy of the flawed gene from each parent.  

  • Rebound headache

    A form of primary headache triggered by excessive consumption of pain relievers. This condition is also recognized as analgesic abuse headache.  

  • Real-time telehealth

    A method of remote healthcare known as telehealth, wherein a telecommunication connection (such as telephone, videoconferencing equipment, or email) enables instant communication between healthcare providers and patients. This type of telehealth, which permits real-time interaction, is also referred to as synchronous telehealth.  

  • Reactive stress test

    A reassuring indication of the fetus’s health. The fetal heart rate (FHR) exhibits an increase of at least 20 beats per minute above the baseline heart rate for a duration of at least 20 seconds, occurring on at least two occasions within a 20-minute timeframe.