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diastolic pressure

Medical term Routine Blood Collections

The second, lower blood pressure reading: arterial pressure between beats, while the ventricles rest and fill.

Related terms

  • blood pressurePressure of circulating blood against artery walls, recorded as systolic/diastolic in mm Hg. A cuff used in…
  • dehydrationA shortage of body water. Post-procedure care, as after a blood donation, includes encouraging fluids…
  • dermal punctureCapillary collection: a lancet pierces the fingertip, or an infant's heel, to obtain a few drops of blood…
  • dermisThe skin layer under the epidermis that contains capillaries and nerves; a dermal (skin) puncture reaches it…
  • diaphoresisHeavy sweating. With pallor, nausea or dizziness during a draw, it can warn of a vasovagal reaction and…
  • 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…
  • erythemaRedness of the skin from increased blood flow. Unlike petechiae or a bruise, it fades (blanches) when pressed.

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