sphygmomanometer
Medical term Routine Blood Collections
A blood pressure cuff with a gauge. It can serve as a tourniquet when inflated to just below the patient's diastolic pressure.
Related terms
- blood pressurePressure of circulating blood against artery walls, recorded as systolic/diastolic in mm Hg. A cuff used in…
- diastolic pressureThe second, lower blood pressure reading: arterial pressure between beats, while the ventricles rest and fill.
- gaugeThe number for a needle's bore: the higher the gauge, the thinner the needle. A 21-gauge needle is typical…
- tourniquetBand tied 7 to 10 cm (3 to 4 in, about 4 to 5 finger widths) above the site to slow venous return so veins…
- serumThe liquid left after blood clots and is centrifuged; it lacks the clotting factors used up in the clot…
- serum separator tubeGold or red-gray (tiger) top. Its clot activator speeds clotting; when the tube is spun, its gel moves to…
- small-volume tubeStandard-size tube with a weaker vacuum that draws less blood; used for children and fragile veins to reduce…
- sodium citrateAnticoagulant that binds calcium, used in light blue-top tubes for coagulation tests. Fill to the line to…
- syncopeFainting: brief loss of consciousness when too little blood reaches the brain. If it starts during a draw…
- syringeBarrel and plunger used with a needle or winged set, often for small or fragile veins; a 1 to 5 mL syringe…
Study Routine Blood Collections