NUR 2310 Lecture 4 (Stroke/Seizures/Pain) (KEISER UNIVERSITY)
Stroke Occurs when there is ischemia (inadequate blood flow) to a part of the brain or hemorrhage into the brain ▪ Results in death of brain cells The term “brain attack” is also used to describe a stroke Immediate medical attention is crucial to decrease disability and death Stroke is the leading cause of serious, long-term disability ▪ Common long-term disabilities include: ● Hemiparesis ( weakness on one side of the body) ● Inability to walk ● Complete or partial dependence in ADL’s ● Aphasia (loss of ability to understand or express speech) ● Depression Pathophysiology ▪ Blood is supplied to the brain by 2 major arteries ● Internal carotid arteries (anterior circulation) ● Vertebral arteries (posterior circulation) ▪ Regulation of Cerebral Blood Flow ● The brain requires a continuous supply of blood to provide the oxygen and glucose that neurons need to function ● Cerebral Autoregulation ○ Changes in the diameter of cerebral blood vessels ○ Things that increase cerebral blood flow Δ ↑ CO2
Información del documento
- Subido en
- 6 de julio de 2021
- Número de páginas
- 48
- Escrito en
- 2020/2021
- Tipo
- Notas de lectura
- Profesor(es)
- John
- Contiene
- Todas las clases
