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Pulse oximeter
Pulse oximeter A device that measures the amount of oxygen in the blood.
RELATED TERMS--------------------------------------
Oxygen
A chemical element essential for sustaining life.
Blood
The life-maintaining fluid which is made up of plasma, red blood cells (erythrocytes), white blood cells (leukocytes), and platelets; blood circulates through the body's heart, arteries, veins, and capillaries; it carries away waste matter and carbon dioxide, and brings nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues.
SIMILAR TERMS--------------------------------------
Pulsatile
Occurring not continuously but in bursts or pulses that may be either regular or sporadic in frequency. pulsating or functioning rhythmically or in cycles.
Pulse
The heartbeat as felt through the walls of an artery.
Pulse Rate
The number of heartbeats per minute. The resting pulse rate for an average adult is between 60 and 80 beats per minute.
Pulse Volume Recording (PVR)
A procedure that tests the arterial blood flow to the hands or feet. Often blood flow is checked after exercise.
Pulseless disease
See 'Takayasu disease'.
PREVIOUS AND NEXT TERMS--------------------------------------
Pudendal block
Pain relieving procedure used during childbirth in which an anesthetic is injected into tissues surrounding the pudendal nerves on either side of the vagina. It blocks pain in the tissues between the vagina and anus.
Pulmonary
Pertains to lungs and respiratory system.
Pulmonary edema
A condition in which there is a fluid accumulation in the lungs caused by an incorrectly functioning heart.
Pulmonary valve
The heart valve located between the right ventricle and the pulmonary artery that controls blood flow to the lungs.
Pulmonary vein
The vessel that carries newly oxygenated blood to the heart from the lungs.
Pulse oximeter
Pyloric sphincter
The muscle between the stomach and the small intestine.
Pyloric stenosis
A narrowing of the opening between the stomach and the small intestine.
Pyloroplasty
An operation to widen the opening between the stomach and the small intestine to allow contents to pass more freely from the stomach.
Pylorus
The opening from the stomach into the top of the small intestine (duodenum).
Paranasal sinuses
Air cavities within the facial bones, lined by mucous membranes similar to those in other parts of the airways.
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