erythema
Medical term Routine Blood Collections
Redness of the skin from increased blood flow. Unlike petechiae or a bruise, it fades (blanches) when pressed.
Related terms
- petechiaeTiny red pinpoint dots from bleeding under the skin. They may appear below a tourniquet and can point to a…
- diastolic pressureThe second, lower blood pressure reading: arterial pressure between beats, while the ventricles rest and fill.
- discard tubePlain tube drawn first when a winged set is used and sodium citrate is the first tube, so tubing air does…
- dyspneaDifficult or labored breathing (shortness of breath). A patient who becomes short of breath during…
- EDTAEthylenediaminetetraacetic acid: binds calcium to keep blood unclotted; the lavender-top additive for…
- erythrocyteRed blood cell: a disk-shaped cell without a nucleus that carries oxygen bound to hemoglobin.
- evacuated tubeA sealed tube with a preset vacuum that draws a set blood volume when its stopper is pierced by the back of…
- evacuated tube systemClosed system of a multisample safety needle, a tube holder and vacuum tubes. Needle and holder go into the…
- fibrinProtein threads formed from fibrinogen during clotting that bind platelets and blood cells into a clot.
Study Routine Blood Collections