Stroke Flashcards
Ratio of cerebral infarcts to cerebral hemorrhages
4:1
What is the term to describe an occlusion in an artery causing death of tissue?
Ischemia
What types of brain bleeding are usually caused by trauma?
Subdural or epidural bleeds
What types of strokes can resolve quickly and may reoccur in minutes or hours?
TIA
What are 2 characteristics of ischemic strokes?
Abrupt onset
Symptoms will usually fit the distribution of a single vascular territory.
What are some signs of a Parenchymal hemorrhage?
Early decrease in LOC
N/V
HA
Accelerated hypertension
Symptoms of subarachnoid hemorrhages
Bursting very sever HA Worst HA of my life Stiff neck Decreased consciousness N/V
S/S of middle cerebral artery strokes
Contralateral loss of strength and decreased sensation in the face, arm, and to a lesser extent leg
Aphasia for dominate hemisphere
Neglect if non-dominate
S/S of anterior cerebral artery stroke
Contralateral loss of strength and sensation in the leg and to a lesser extent the arm
S/S of a posterior cerebral stroke
Contralateral visual field deficit
Possibly confusion and aphasia if dominate hemisphere
S/S of penetrating (lacunar syndrome)
Contralateral weakness or sensory loss (usually not both) in face, arm, and leg.
No dysphasia, neglect, or visual loss.
Possibly ataxia, dysarthria.
S/S of vertebral (or posterior inferior cerebellar)
Truncal ataxia, dysarthria, dysphagia, ipsilateral sensory and contralateral sensory loss below the neck.
S/S of basilar artery stroke
Various combinations of limb ataxia, dysarthria, dysphagia, facial and limb weakness and sensory loss (may be bilateral) pupillary asymmetry, disconjugate gaze, visual field loss, decreased responsiveness.
Contralateral
On the opposite side
Aphagia
Loss if the ability to understand or express speech
What is neglect?
Lack of awareness on one side of the body contralateral to the area of stroke
Truncal ataxia
Inability to sit or stand unsupported
Dysarthria
Difficulty of speech d/t problems of lips and tongue to form the words.
Usually there is no problems with understanding or word finding
Dysphagia
Difficulty or discomfort with swallowing
Ipsilateral
Symptoms occurring on the same side of the body as the stroke
What can cause the symptom of disconjugate gaze
Stokes affecting the brainstem frontal lobes, or cerebrum
Disconjugate gaze
Unpaired movement of the eyes
ACA
Anterior Cerebral Artery
ACE
Angiotensin Converting Enzyme