a sudden, temporary loss of mental awareness and physical activity lasting a few seconds to several minutes; also known as a petit mal seizure.
altered mental status
a condition in which a person's level of awareness or responsiveness has changed.
a subjective sensation that precedes a seizure.
the spasmodic jerking of muscles during a seizure.
an abnormal loss of responsiveness during which the patient cannot be aroused by external stimuli.
a state of mental confusion and/or excitement characterized by disorientation with respect to time and place; may be associated with delusions and hallucinations.
a broad impairment of intellectual function (cognition) that usually is progressive and that interferes with normal social and occupational activities.
a term that refers to a complex group of syndromes having in common a disturbance in the use of glucose; a condition that is often a result of a malfunction of the beta cells of the pancreas, whose function is the production and release of insulin.
a seizure consisting of the sudden onset of unresponsiveness, tonic contraction of muscles, loss of postural control, and a cry caused by contraction of respiratory muscles that forces an exhalation; clonic contractions of muscles occur, followed by a period of somulence.
a hormone that stimulates the breakdown of glycogen, a storage form of glucose in the liver; is sometimes administered by injection to temporarily raise glucose levels in patients with symptomatic hypoglycemia.
a simple sugar that is the end product of carbohydrate digestion in the body and the chief source of energy for most cells, especially neurons.
a stored form of glucose or carbohydrate that is made by the body; located primarily in liver or muscle.
an excess of glucose in the blood; when severe, may be associated with confusion or changes in mental status.
an insufficient amount of glucose in the blood; may be associated with a myriad of signs and symptoms such as tremor, diaphoresis, drowsiness, headache, confusion, and lack of responsiveness.
a hormone produced in the pancreas that regulates blood sugar levels.
excessive thirst and fluid intake.
excessive excretion of urine.
a general stiffening of the muscles.
a foreign substance (antigen) whose presence in the body stimulates an allergic reaction.
a series of signs and symptoms that occur in response to exposure to an allergen.
an exaggerated immune response to a substance that does not normally cause a reaction.
a severe allergic reaction that can result in serious cardiac or respiratory compromise.
swelling that occurs beneath the skin or mucosa as a result of an allergic reaction.
a protein that is produced by the body to neutralize or destroy specific antigens.
a foreign substance that when introduced into the body stimulates the production of an antibody; can be a variety of substances, including toxins, bacteria, foreign blood cells, or the cells of transplanted organs.
a chemical that is released in the body as a result of an allergic reaction.
an exaggerated immune response to an allergen, drug, or other foreign substance.
severe itching; frequently occurs in the skin during mild and moderate allergic reactions.
hives or rashes that accompany an allergic reaction.
an individual's actions or reactions in response to external or internal stimuli.
a situation in which a person acts in a way that is unacceptable or intolerable to others and oftentimes poses a danger to themselves or others.
a state of emotional turmoil within an individual in which the balance between thoughts and emotions is lost.
a purplish discoloration of the skin in the lowest parts of the body due to the settling of blood following death; also called livor mortis.
a clinical state marked by feelings of sadness and self-loathing.
a purplish discoloration of the skin in the lowest parts of the body due to the settling of blood following death; also called dependent lividity.
a condition in which a person exhibits abnormal behavior but remains able to understand the normal boundaries of reality.
a fatal condition in which a patient's body weight impairs the ability to breathe, resulting in suffocation.
a condition in which a person exhibits abnormal behavior and has altered perceptions of reality.
the minimum force needed to keep a patient from hurting himself or others.
any method, physical or mechanical, that restricts the movement of a patient.
stiffening of the body after death.
a psychiatric disorder in which a person cannot distinguish what is real from what is not real.
the intentional taking of one's own life.