Neurological 2- Exam 2 Flashcards
Definition: Failure to recognize familiar objects perceived by the senses.
Agnosia
What is the functional abnormality of the CNS that occurs when the blood supply to the brain is disrupted?
Cerebrovascular Disorder
What is the most important modifiable risk factor in CVA prevention?
Hypertension
What are some risk factors of cerebrovascular disorders?
-Age
-Gender
-Ethnicity
-HTN
-CV disease
-^ chol & ^ Hct
-Obesity
-Diabetes
-Smoking/alcohol/drug use
-Oral contraceptives
What is a stroke known as? (in hospital)
“brain attack”
What are the 2 types of strokes?
Ischemic & Hemorrhagic
What type of stroke is most common?
Ischemic
What types of ischemic strokes are there?
-Large artery thrombosis
-Small penetrating artery thrombosis
-Cardiogenic embolism
-Cryptogenic
-Other
What do symptoms of a stroke depend on?
Location & size of affected area
What are some C.M. of a stroke?
-Numbness or weakness of face, arm, or leg, especially on one side
-Confusion or change in mental status
-Trouble speaking & understanding speech
-Difficulty in walking, dizziness, loss of balance
-Sudden, severe HA
Definition: Paralysis on 1 side of body.
Hemiplegia
Definition: weakness on 1 side of body.
Hemiparesis
Definition: difficulty speaking caused by brain damage, results in inability to control the muscles used in speech.
Dysarthria
Definition: difficulty swallowing.
Dysphagia
Definition: can understand but not talk or express themselves.
Expressive aphasia
Definition: can talk but can’t understand.
Receptive aphasia
Definition: blindness over 1/2 of the visual field.
Hemianopsia
Definition: loss of ability to identify objects or people.
Agnosia
What is a temporary neurologic deficit resulting from a temporary impairment of blood flow?
TIA
What is a TIA a warning of?
Impending stroke
What are preventative tx of TIA & stroke?
-Carotid endarterectomy for carotid stenosis
-Anticoagulant therapy for A-Fib
-Antiplatelet therapy
-“Statins”
-Antihypertensive meds
What type of stroke is thrombolytic therapy used for?
Ischemic
Why should the HOB be elevated in the acute phase of a stroke?
Decreased ICP & ^ venous drainage
What diagnostic should be performed if a stroke is suspected?
Head CT
What are C.M. of a hemorrhagic stroke?
-Severe HA
-Early & sudden changes in LOC
-Projectile vomiting w/out nausea
-Bleeding
How is the type of stroke differentiated?
CT