NEURO03 Flashcards

(49 cards)

1
Q

An umbrella term that refers to a functional abnormality of the CNS that occurs when the normal blood supply to the brain is disputed

A

CEREBROVASCULAR DISORDERS

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2
Q

What is the primary CVD in the US, and is the 3rd leading cause of death after heart disease and cancer. Considered a major cause of disability

A

STROKE

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3
Q

Other names of stroke?

A

CEREBRAL VASCULAR ACCIDENT
BRAIN ATTACK
CEREBRAL THROMBOSIS
APOPLEXY

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4
Q

A condition in which neurologic deficits result from a sudden decrease in blood flow to a localized area of the brain.

A

STROKE

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5
Q

Risk factors of stroke?

A

HYPERTENSION
HEART DISEASE
DM
SLEEP APNEA
BLOOD CHOLESTEROL LEVELS
SMOKING
SICKLE CELL DISEASE
SUBSTANCE ABUSE
LIVING IN THE STROKE BELT

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6
Q

Causes of Stroke?

A

THROMBOSIS
EMBOLISM
HEMORRHAGE

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7
Q

The most common cause of cerebral thrombosis?

A

ATHEROSCLEROSIS

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8
Q

One of the causes of stroke and usually affects younger people?

A

EMBOLISM

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9
Q

Most commonly caused by rheumatic heart disease and myocardial infarction?

A

EMBOLISM

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10
Q

Usually caused by rupture of cerebral artery in a patient with severe hypertension, subarachnoid/intracerebral hemorrhage, rupture of an aneurysm,AV malformation, hypocoagulation

A

HEMORRHAGE

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11
Q

Are frequently more severe and destructive than other CVA’s because they affect large portions of the brain

A

HEMORRHAGE

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12
Q

Types of Strokes?

A

ISCHEMIC
HEMORRHAGIC

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13
Q

Results from sa blockage or stenosis of a cerebral artery or stopping blood flow and ultimately causing a brain infarction?

A

ISCHEMIC STROKE

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14
Q

Accounts for 80% of all strokes?

A

ISCHEMIC

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15
Q

The blockage is secondary to blood clot (either thrombus or emboli) or from stenosis of a vessel resulting in the building of a plaque

A

ISCHEMIC STROKE

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16
Q
A
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17
Q

What are the classifications of Ischemic Stroke?

A

TIA
THROMBOTIC STROKE
EMBOLIC STROKE

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18
Q

Sometimes called a mini stroke

A

Transient Ischemic Attack

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19
Q

A warning signal of an ischemic thrombotic stroke

A

TIA

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20
Q

Have a sudden onset and often disappear within minutes of hours

21
Q

Commonly include contralateral numbness or weakness of the leg, habd, forearm, and other corner of the mouth

22
Q

Painless temporary loss of vision in one or both eyes

A

Amaurosis fugax

23
Q

Caused by occlusion of a large cerebral vessel by a thrombus

A

THROMBOTIC STROKE

24
Q

Type of Ischemic stroke that often occur in older people who are resting or sleeping

A

THROMBOTIC STROKE

25
Most common locations of thrombi?
INTERNAL CAROTID ARTERY VERTEBRAL ARTERIES JUNCTION OF THE VERTEBRA AND BASILAR ARTERIES
26
Affects the smaller cerebral vessels because the infarcted areas slough off, leaving a small cavity or "lake" in the brain?
LACUNAR STROKE
27
Affects only one region of the brain that is supplied by a single cerebral artery
LACUNAR STROKE(THROMBOTIC)
28
Occurs rapidly but progresses slowly-often begins with a TIA and continues to worsen over 1-2 days
THROMBOTIC STROKE
29
1-2 days? (Type of syroke)
STROKE IN EVOLUTION
30
3 days? When maximum neurologic deficit has been reached
COMPLETED STROKE
31
Occurs when a blood clot travelling through the cerebral blood vessels lodge into the vessels to narrow to permit further movement?
EMBOLIC STROKE
32
Most frequent sites of cerebral emboli?
BIFURCATIONS OF VESSELS: CAROTID & MIDDLE CEREBRAL ARTERIES
33
Occurs when a cerebral blood vessel ruptures-blood enters the brain tissues compressing adjacent tissues and causing blood vessel spasm and cerebral edema?
HEMORRHAGIC STROKE/ INTRACRANIAL HEMORRHAGE
34
Classifications of hemorrhagic stroke?
INTRECEBRAL HEMORRHAGE INTRACRANIAL (CEREBRAL) ANEURYSM ARTERIOVENOUS MALFORMATIONS SUBARACHNOID HEMORRHAGE
35
Came from a spontaneous rupture of small vessels accounts for approximately 80% of hemorrhagic strokes and is cause chiefly by uncontrolled hypertension?
INTRACEREBRAL HEMORRHAGE
36
Bleeding in intracerebral hemorrhage most commonly occur in the?
CEREBRAL LOBES BASAL GANGLIA THALAMUS BRAIN STEM CEREBELLUM
37
Dilation of the walls of a cerebral artery that develops as a result of weakness in the arterial wall?
INTRACRANIAL (CEREBRAL) ANEURYSM
38
Intrcranial aneurysm tend to occur at what?
BIFURCATIONS AND BRANCHES OF THE CAROTID ARTERIES AND THE VERTEBROBASILAR ARTERIES AT TBE CIRCLE OF WILLIES
39
Intracranial aneurysm range in sizes?
SMALLER THEN 15 mm TO LARGER THAN 50 mm
40
Intracranial aneurysm may be due to?
1. DEVELOPMENTAL DEFECT IN THE VESSEL WALL 2. DEGENERATION OR FRAGILITY OF THE VESSEL WALL DUE TO ATHEROSCLEROSIS, CONGENITAL DEFECT OF THE VESSEL WALL, ETC
41
Types of Intracranial Aneu?
BERRY SACCULAR FUSIFORM MYCOTIC
42
Are usually asymptomatic until they rupture?
INTRACRANIAL ANEURYSM
43
Manifestations of ruptured aneurysm?
SUDDEN EXPLOSIVE HEADACHE LOC NAUSEA VOMITING STIFF NECK PHOTOPHOBIA STROKE SYNDROME MANIFESTATIONS PITUITARY MALFUNCTIONS-CHNAGES IN ADH SECRETION
44
asymptomatic, minimal headache, and slight neck rigidity?
GRADE 1
45
Moderate to severe headache, neck rigidity, cranial nerve deficits?
GRADE II
46
Drowsy, lethargic,mild neurologic deficits?
GRADE III
47
Stuporous, moderate to severe hemiparesis, early decerebrate rigidity?
GRADE IV
48
Characterized by deep coma, decerebrate rigidity, moribund appearance?
GRADE V
49