CVA Flashcards
1
Q
what is a stroke
A
- a stroke occurs when blood flow to the brain is interrupted by a blocked (ischemic -90%) or burst (hemorrhagic 10%)
- the duration, severity and location of cerebral ischemia determines the extent of brain function and thus the severity of stroke
2
Q
ischemic stroke
A
blood clot or blockage of blood flow to the brain tissue
3
Q
hemorrhagic stroke
A
burst or bleeding blood vessel in the brain
4
Q
Transient ischemic attack
A
- mini stroke
- warning sign of stroke
5
Q
risk factors for a stroke
A
- hypertension
- obesity
- smoking
- atrial fibrilation
- hyperlipidemia
- diabetes
6
Q
what are the symptoms of a stroke
A
- numbness or weakness of the face, arm, leg, especially one side of the body (hemiparesis)
- confusion or change in mental status
- trouble speaking or understanding speech
- visual disturbances
- difficulty walking, dizziness, loss of balance or coordination
- sudden severe headache
7
Q
symptoms of stroke FAST
A
F: facial drooping, a section of the face usually only on one side, that is drooping and hard to move
A: arm weakness, the inablitiy to raise ones arm fully
S: speech difficulties, an inability or difficulty to understand or produce speech
T:Time, if one of the above showing , time is of essence call emergency services or go to the hospital
8
Q
Diagnosing a Stroke
A
- careful history, including onset of symptoms
- complete physical and neurological exam
- initial focus on Airway
- breathing
- circulation
- CAT SCAN -Immediately