Ch. 16 Neurologic Emergencies Flashcards
(36 cards)
Absence Seizures
The seizures that may be characterized by brief lapse of attention in which the patient may stare and does not respond; formerly known as petit mal seizure.
Aphasia
The inability to understand or produce speech
Arterial Rupture
The rupture of an artery. Involvement of a cerebral artery may contribute to interruption of cerebral blood flow.
Aura
Sensations experienced before an attack occurs; common in seizures and migraine headaches.
Axon
A projection from a nueron that makes connection with adjacent cells.
Cerebral Embolism
Obstruction of a cerebral artery caused by a clot that was formed elsewhere in the body and traveled to the brain
Cerebrovascular Accident (CVA)
An interruption of blood flow to the brain that results in the loss of brain function; also referred to as a stroke or brain attack.
Clonic Phase
Seizure movement marked by repetitive muscle contractions and relaxations in rapid succession
Complex Partial Seizures
The seizures that involve subtle changes in the LOC that may include confusion, less alertness, hallucinations, and inability to speak.
Decerebrate Posturing
a body position in which the patient extends the outward and rotates the lower arms on a palms down manner and points the toes; indicates severe brain dysfunction
Decorticate Posturing
a body position the patient flexes the wrists, and points his or her toes; indicate severe brain dysfunction
Dysarthia
The inability to pronounce speech clearly, often due to loss of the nerves or brain cells that control the small muscles in the larynx.
Febrile Seizures
The seizures that result from sudden high fever, particularly in children.
Hemiparesis
Weakness on one side of the body
Hemiplegia
Paralysis on one side of the body
Hemorrhagic Stroke
One of two main types of stroke; occurs as a result of bleeding inside the brain.
Hypoglycemia
a condition characterized by a low blood glucose level
Incontinence
Loss of bowel and bladder control; can be due to a generalize seizure and to other conditions
Infarcted Cells
The cells that die as a result of loss of blood flow
Intracranial Pressure (ICP)
The pressure within the cranial vault normally 0 - 15 mm Hg in adults.
Ischemic Cells
The cells that receive enough blood after an event such as a cerebrovascular accident to stay alive but not enough to function properly.
Neurotransmitters
The chemical produced by the body that stimulate electrical reactions in adjacent Neurons.
Partial Seizures
The seizures affecting a limited portion of the brain
Postical State
The period following a seizure that lasts between 5 and 30 minutes, characterized by labored respirations and some degree of altered mental status.