Transient ischemic attack
Transient ischemic attack
Sistema nervioso y sentidos especiales
Efectos adversos de los fármacos en el sistema nervioso
Enfermedad cerebrovascular
Trastornos congénitos
Trastornos craneales y de los nervios periféricos
Trastornos degenerativos o síndromes amnésicos
Trastornos desmielinizantes
Trastornos relacionados con la columna vertebral, la médula espinal y las raíces nerviosas espinales
Disfunción cerebral global
Trastornos infecciosos, inmunológicos e inflamatorios
Trastornos metabólicos
Trastornos del movimiento
Neoplasias
Síndromes de dolor neurológico
Trastorno neuromuscular
Trastornos paroxísticos
Trastornos del sueño
Trastornos traumáticos, mecánicos y del aumento de la presión intracraneal
Trastornos del oído
Trastornos de los ojos y los párpados
Revisión de patología del sistema nervioso y de los sentidos especiales
Aspectos destacados
en inglés
A transient ischemic attack (TIA) is a transient episode of neurologic dysfunction caused by ischemia, without acute infarction. TIAs have the same underlying cause as strokes which is a disruption of cerebral blood flow. Symptoms usually last only a few minutes to an hour but may persist for up to 24 hours. TIAs cause the same symptoms associated with strokes, such as contralateral paralysis or sudden weakness or numbness.
A TIA may cause sudden dimming or loss of vision (amaurosis fugax), aphasia, dysarthria, and mental confusion. But unlike a stroke, the symptoms of a TIA can resolve within a few minutes or 24 hours. Having a TIA is a risk factor for eventually having a stroke or a silent stroke. Treatment may include blood thinners or antiplatelet medications to prevent blood clots, as well as lifestyle changes such as smoking cessation, exercise, and a healthy diet to lower the risk of further TIAs or stroke. In some cases, surgery may be necessary to remove a blockage in the blood vessels.