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111 Cards in this Set

  • Front
  • Back
acute stroke
a stage of stroke starting at the onset of symptoms and last for a few hours thereafter.
a cognitive disability characterized by ignorance of or inability to acknowledge one side of the body or one side of the visual field.
a weak or thin spot on an artery wall that has stretched or ballooned out from the wall and filled with blood, or damage to an artery leading to pooling of blood between the layers of the blood vessel walls.
a state of almost no oxygen delivery to a cell, resulting in low energy production and possible death of the cell.
a drug therapy used to prevent the formation of blood clots that can become lodged in cerebral arteries and cause strokes.
antiplatelet agents
a type of anticoagulant drug therapy that prevents the formation of blood clots by preventing the accumulation of platelets that form the basis of blood clots; some common antiplatelets include aspirin and ticlopidine.
a type of anticoagulant drug therapy that prevents the formation of blood clots by inhibiting the coagulating actions of the blood protein thrombin; some common antithrombotics include warfarin and heparin.
the inability to understand or create speech, writing, or language in general due to damage to the speech centers of the brain.
a historical, but obsolete term for a cerebral stroke, most often intracerebral hemorrhage, that was applied to any condition that involved disorientation and/or paralysis.
a form of cell death involving shrinking of the cell and eventual disposal of the internal elements of the cell by the body's immune system. Apoptosis is an active, non-toxic form of cell suicide that does not induce an inflammatory response. It is often called programmed cell death because it is triggered by a genetic signal, involves specific cell mechanisms, and is irreversible once initiated.
a movement disorder characterized by the inability to perform skilled or purposeful voluntary movements, generally caused by damage to the areas of the brain responsible for voluntary movement.
an x-ray of the carotid artery taken when a special dye is injected into the artery.
arteriovenous malformation (AVM)
a congenital disorder characterized by a complex tangled web of arteries and veins.
a blood vessel disease characterized by deposits of lipid material on the inside of the walls of large to medium-sized arteries which make the artery walls thick, hard, brittle, and prone to breaking.
atrial fibrillation
irregular beating of the left atrium, or left upper chamber, of the heart.
blood-brain barrier
an elaborate network of supportive brain cells, called glia, that surrounds blood vessels and protects neurons from the toxic effects of direct exposure to blood.
carotid artery
an artery, located on either side of the neck, that supplies the brain with blood.
carotid endarterectomy
surgery used to remove fatty deposits from the carotid arteries.
central stroke pain (central pain syndrome)
pain caused by damage to an area in the thalamus. The pain is a mixture of sensations, including heat and cold, burning, tingling, numbness, and sharp stabbing and underlying aching pain.
cerebral blood flow (CBF)
the flow of blood through the arteries that lead to the brain, called the cerebrovascular system.
cerebrospinal fluid (CSF)
clear fluid that bathes the brain and spinal cord.
cerebrovascular disease
a reduction in the supply of blood to the brain either by narrowing of the arteries through the buildup of plaque on the inside walls of the arteries, called stenosis, or through blockage of an artery due to a blood clot.
a waxy substance, produced naturally by the liver and also found in foods, that circulates in the blood and helps maintain tissues and cell membranes. Excess cholesterol in the body can contribute to atherosclerosis and high blood pressure.
surgical procedure for treatment of brain aneurysms, involving clamping an aneurysm from a blood vessel, surgically removing this ballooned part of the blood vessel, and closing the opening in the artery wall.
computed tomography (CT) scan
a series of cross-sectional x-rays of the brain and head; also called computerized axial tomography or CAT scan.
a commonly used anticoagulant, also known as warfarin.
small, hormone-like proteins released by leukocytes, endothelial cells, and other cells to promote an inflammatory immune response to an injury.
cytotoxic edema
a state of cell compromise involving influx of fluids and toxic chemicals into a cell causing subsequent swelling of the cell.
detachable coil
a platinum coil that is inserted into an artery in the thigh and strung through the arteries to the site of an aneurysm. (Read about "Aneurysms") The coil is released into the aneurysm creating an immune response from the body. The body produces a blood clot inside the aneurysm, strengthening the artery walls and reducing the risk of rupture.
duplex doppler ultrasound
a diagnostic imaging technique in which an image of an artery can be formed by bouncing sound waves off the moving blood in the artery and measuring the frequency changes of the echoes.
a language disorder characterized by difficulty with speaking or forming words.
trouble eating and swallowing.
the swelling of a cell that results from the influx of large amounts of water or fluid into the cell.
embolic stroke
a stroke caused by an embolus.
a free-roaming clot that usually forms in the heart.
endothelial wall
a flat layer of cells that make up the innermost lining of a blood vessel.
excitatory amino acids
a subset of neurotransmitters; proteins released by one neuron into the space between two neurons to promote an excitatory state in the other neuron.
extracranial/intracranial (EC/IC) bypass
extracranial/intracranial (EC/IC)
a type of surgery that restores blood flow to a blood-deprived area of brain tissue by rerouting a healthy artery in the scalp to the area of brain tissue affected by a blocked artery.
functional magnetic resonance imaging (fMRI)
a type of imaging that measures increases in blood flow within the brain.
also called neuroglia; supportive cells of the nervous system that make up the blood-brain barrier, provide nutrients and oxygen to the vital neurons, and protect the neurons from infection, toxicity, and trauma. Some examples of glia are oligodendroglia, astrocytes, and microglia.
also known as glutamic acid, an amino acid that acts as an excitatory neurotransmitter in the brain.
weakness on one side of the body.
paralysis on one side of the body.
hemorrhagic stroke
sudden bleeding into or around the brain.
a type of anticoagulant.
high-density lipoprotein (HDL)
also known as the good cholesterol; a compound consisting of a lipid and a protein that carries a small percentage of the total cholesterol in the blood and deposits it in the liver.
a state of equilibrium or balance among various fluids and chemicals in a cell, in tissues, or in the body as a whole.
hypertension (high blood pressure)
characterized by persistently high arterial blood pressure defined as a measurement greater than or equal to 140 mm/Hg systolic pressure over 90 mm/Hg diastolic pressure.
a state of decreased oxygen delivery to a cell so that the oxygen falls below normal levels.
the extent or frequency of an occurrence; the number of specific new events in a given period of time.
an area of tissue that is dead or dying because of a loss of blood supply.
a sudden loss of blood supply to tissue, causing the formation of an infarct.
a group of cytokine-related proteins secreted by leukocytes and involved in the inflammatory immune response of the ischemic cascade.
intracerebral hemorrhage
occurs when a vessel within the brain leaks blood into the brain.
a loss of blood flow to tissue, caused by an obstruction of the blood vessel, usually in the form of plaque stenosis or a blood clot.
ischemic cascade
a series of events lasting for several hours to several days following initial ischemia that results in extensive cell death and tissue damage beyond the area of tissue originally affected by the initial lack of blood flow.
ischemic penumbra
areas of damaged, but still living, brain cells arranged in a patchwork pattern around areas of dead brain cells.
ischemic stroke
ischemia in the tissues of the brain.
lacunar infarction
occlusion of a small artery in the brain resulting in a small area of dead brain tissue, called a lacunar infarct; often caused by stenosis of the small arteries, called small vessel disease.
large vessel disease
stenosis in large arteries of the cerebrovascular system.
blood proteins involved in the inflammatory immune response of the ischemic cascade.
small globules of cholesterol covered by a layer of protein; produced by the liver.
low-density lipoprotein (LDL)
also known as the bad cholesterol; a compound consisting of a lipid and a protein that carries the majority of the total cholesterol in the blood and deposits the excess along the inside of arterial walls.
magnetic resonance angiography (MRA)
an imaging technique involving injection of a contrast dye into a blood vessel and using magnetic resonance techniques to create an image of the flowing blood through the vessel; often used to detect stenosis of the brain arteries inside the skull.
magnetic resonance imaging (MRI) scan
a type of imaging involving the use of magnetic fields to detect subtle changes in the water content of tissues.
the energy producing organelles of the cell.
mitral annular calcification
a disease of the mitral valve of the heart.
mitral valve stenosis
a disease of the mitral heart valve involving the buildup of plaque-like material on and around the valve.
a form of cell death resulting from anoxia, trauma, or any other form of irreversible damage to the cell; involves the release of toxic cellular material into the intercellular space, poisoning surrounding cells.
the main functional cell of the brain and nervous system, consisting of a cell body, an axon, and dendrites.
neuroprotective agents
medications that protect the brain from secondary injury caused by stroke.
oxygen-free radicals
toxic chemicals released during the process of cellular respiration and released in excessive amounts during necrosis of a cell; involved in secondary cell death associated with the ischemic cascade.
fatty cholesterol deposits found along the inside of artery walls that lead to atherosclerosis and stenosis of the arteries.
the ability to be formed or molded; in reference to the brain, the ability to adapt to deficits and injury.
structures found in blood that are known primarily for their role in blood coagulation.
the number of cases of a disease in a population at any given point in time.
recombinant tissue plasminogen activator (rt-PA)
a genetically engineered form of t-PA, a thrombolytic, anti-clotting substance made naturally by the body.
small vessel disease
a cerebrovascular disease defined by stenosis in small arteries of the brain.
narrowing of an artery due to the buildup of plaque on the inside wall of the artery.
stroke belt
an area of the southeastern United States with the highest stroke mortality rate in the country.
stroke buckle
three southeastern states, North Carolina, South Carolina, and Georgia, that have an extremely high stroke mortality rate.
subarachnoid hemorrhage
bleeding within the meninges, or outer membranes, of the brain into the clear fluid that surrounds the brain.
drugs used to treat an ongoing, acute ischemic stroke by dissolving the blood clot causing the stroke and thereby restoring blood flow through the artery.
the formation of a blood clot in one of the cerebral arteries of the head or neck that stays attached to the artery wall until it grows large enough to block blood flow.
thrombotic stroke
a stroke caused by thrombosis
tissue necrosis factors
chemicals released by leukocytes and other cells that cause secondary cell death during the inflammatory immune response associated with the ischemic cascade.
total serum cholesterol
a combined measurement of a person's high-density lipoprotein (HDL) and low-density lipoprotein (LDL).
recombinant tissue plasminogen activator.
transcranial magnetic stimulation (TMS)
a small magnetic current delivered to an area of the brain to promote plasticity and healing.
transient ischemic attack (TIA)
a short-lived stroke that lasts from a few minutes up to 24 hours; often called a mini-stroke.
transient ischemic attack (TIA)
a short-lived stroke that lasts from a few minutes up to 24 hours; often called a mini-stroke.
medications that increase blood flow to the brain by expanding or dilating blood vessels.
a dangerous side effect of subarachnoid hemorrhage in which the blood vessels in the subarachnoid space constrict erratically, cutting off blood flow.
vertebral artery
an artery on either side of the neck.
a commonly used anticoagulant, also known as coumadin®.
a scan showing the blood vessels in the brain.
clumsy, uncoordinated movement. (can be caused by damage to the cerebellum)
fatty deposits that build up inside an artery and can eventually block it completely and cause a stroke.
berry aneurysm
a bulge in the wall of an artery that is a weak spot and can burst causing a stroke, so called because of its resemblance to a berry.
bruit (brewee)
the noise that can be heard when listening to a partially blocked artery through a stethoscope.
carotid endarterectomy
an operation performed to clear the inside of the carotid artery of atheroma.
CVA (cerebrovascular accident)
medical term for strokes.
DVT (deep vein thrombosis)
another name for a blood clot.
problems with speech and language.
an increase in pressure in the brain caused by the inability of CSF to drain away as normal.
tissue damage caused by interruption of blood circulation.
nerve cells that take over the function of other nerve cells that are no longer functioning.
abnormal jerky movements of the eyes.
a tube fitted in the skull to drain away CSF thus reducing excess pressure on the brain.
damage to the brain caused by either bleeding, or more commonly blockage of artery.
medical term for dizziness.