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chapter 4


Adventitious sounds Abnormal breath sounds.
Afebrile Without fever; the body temperature in normal.
Alveolus A thin-walled air sac o fthe lungs in which the exchange or oxygen and carbon dioxide takes place.
Antecubitl Space The space located at the front of the elbow.
Antipyretic An agent that reduces fever.
Aorta The major trunk of the arterial system of the body.The aorta arises from the upper surface of the left ventricle.
Apena The temporary cessation of breathing.
Axilla The armpit.
Bounding pulse A pulse with an increased volume that feels very strong and full.
Bradycardia An abnormally slow heart rate(less than 60 beats per mintue.
Bradypnea An abnormal decearse in the respiratory rate less than 10 respirations per mintue.
Celsius scale A temperture scale on which the freezing point of water is 0 degress and the boiling point of water is 100 degress; also called the centigrade scale.
Conduction The transfer of energy, such as heat , from one object to another by direct contact.
Convection The transfer of energy ,such
Crisis A sudden falling of an elevated body temperture to normal.
Cyanosis A bluish discoloration of the skin and mucous membranes.
Diastole The phase in the cardiac cycle in which the heart relaxes between contractions.
Diastolic pressure The point if lesser pressure ib the arterial between contractions.
Dyspena Shortness if breath or difficulty in breathing.
Dysrhythmia An irregular rhythm; also termed arrhythmia.
Eupnea Normal respiration. The rate is 16 to 20 redpiration per mintue, the rhythm is even and regular,and the depth is normal.
Exhalation The act of breathing out.
Fahrenhiet scale A temperture scale on which he freezing point of water is 32 degrees and the boiling point or water is 212 degrees.
Febrile Pertsining to fever.
Fever A body temperture that is above normal; synonym for pyrexia.
Frenulum linguae The midline fold that connects the undersurface of the tongue with the floor of the mouth.
Hyperpnea An abnormal increase in the rate and depth of respiration.
Hyperpyrexia An exremely high fever.
Hypertension High blood pressure.
Hyperventilation An abnormally fast and deep type of breathing, usually associated with acute anxiety conditions.
Hypopnea An abnormal decrease in the rate and depth of respiration.
Hypotension Low blood pressure.
Hypothermia A body temperture that is below normal.
Hypoxemia A decrease in the oxygen saturation of the blood.Hypoxemia may lead to hypoxia.
Hypoxia A reduction in the oxygen supply to the tissues of the body.
Inhalation The act of breathing in.
Intercostal Between ribs.
Korotkoff sounds Sounds heard during the measurement of blood pressure that are used to determine the systolic and diastolic blood pressure reading.
Malaise A vague sense of body discomfort, weakness, and fatigue that often marks the onset of a disease and continues through the course of the illness.
Manometer An instrument for measuring pressure.
Meniscus The curved surface ona column of liquid in a tube.
Orthopnea The condition in which breathing is easier when an individual is in a sittin or standing position.
Pulse oximeter A computersized device consisting of a probe and monitor used to measure the oxygen saturation of arterial blood.
Pulse oximetry The use of a pulse oximeter to measure the oxygen saturation of arterial blood.
Pulse pressure The differnce between the systolic and diastolic pressures.
Pulse Rhythm The time interval between heartbeats.
Pulse volume The strength of the heartbeat.
Radiation The transfer of energy, such as heat, in the form of waves.
SaO2 (Saturation of arterial oxygen) Abbreviation for the percentage hemoglobin that is saturated with oxygen in aryerial blood.
SpO2 (Saturation of peripheral oxygen) Abbreviation for the percentage of hemoglobin that is saturated with oxygen in arterial blood as measured by a pulse oximeter.
Sphygmomanometer An instrument for measuring arterial blood pressure.
Stethoscope An instrument for ampifying and hearing sounds produced by the body.
Systole The phase in the cardiac cycle in which the ventricles contract, sending blood out of the heart and into the aorta and pulmonary aorta.
Systolic pressure The point of maximum pressure on the arterial walls, which is recored during systole
Tachycardia An abnormally fast heart rate (More then 100 beats per minute.)
Tachypnea An abnormal increase in the respiratory rate of more than 20 respirations per minute
Thready Pulse A pulse with a decreased volume that feels weak and thin.
Created by: heathertaylor