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Anaphylaxis
Exaggerated hypersensitivity reaction that in severe cases leads to vascular collapse, bronchospasm, and shock
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Antibody
Immunoglobulins produced by the immune system in response to bacteria, viruses, or other antigenic substances
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Antigen
Foreign substance that causes the production of a specific antibody.
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Antiseptics
Substance, such as alcohol and povdone-iodine solution (Betadine), that inhibits the growth of microorganisms on living tissue
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Autoimmune
Pertaining to a disturbance in the immune system in which the body reacts against its own tissue.
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Contaminated
Soiled with pathogens or infected material; nonsterile
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Disinfectant
Substance such as alcohol or povidone-iodine solution (Betadine) that inhibits the growth of microorganisms on inanimate sufaces or objects
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Germicides
Agents that destroy pathogenic organisms
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Nosocomial infections
Infections acquired during hospitalization or in a healthcare setting; often caused by Escherichia coli, hepatitis viruses, Psendomanas, and Staphyloccus microorganisms
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Palliative
Relieving or alleving symptoms without curing the disease
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Apnea
absence of breathing
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Arrhythmia
Irregular heart rhythm
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Bradycardia
A slow heartbeat; a pulse below 60 bpm
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Cerumen
A waxy secrection in the ear canal; commonly called ear wax
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Diurnal rhythm
patterns of activity or behavior that follow day-night cycles
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Homeostasis
internal adaptation and change in response to environmental factors
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Hyperventilation
Abnormal prolonged and deep breathing usually associated with acute anxiety or emotional tension
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Intermittent pulse
Pulse in which beats are occasionlly skipped
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Orthopnea
Condition in which an individual must sit or stand to breath comfortably
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Peripheral
Pertaining to an area that is outside or away from an organ or structure
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Orthostatic hypotension
Temporary fall in blood pressure when a person rapidly changes from a recumbent position to a standing position
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Otitis externa
Inflamation or infection of the external auditory canal
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Pulse deficit
Condition in which the radial pulse is less than the apical pulse; may indicate peripheral vascular abnormality
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Pulse Pressure
Difference between the systolic and the diastolic blood pressure
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Rales
Abnormal or crackling breath sounds during inspriration
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rhonchi
Abnormal rumbling sounds on experation that indicate airway obstruction by thick secretion or spasms
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Secondary Hypertension
Elevated blood pressure reuslting from another condition
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Sinus Arrhythmia
Irregular heratbeat originating in the sinoatrial node (pace maker)
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Syncope
Fainting; a breif lapse in consciousness
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