Stroke Barry Flashcards

1
Q

Stroke risk factors general

A
  • Hypertension
  • Obesity
  • Substance abuse
  • Atrial fibrillation
  • Older adult age
  • Diabetes
  • History of MI or stroke
  • High cholesterol levels
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2
Q

risk factors stroke for Barry

A
  • Arteriosclerosis
  • Hyperglycemia
  • Advanced age
  • Hyperension
  • Type 2 diabetes
  • Previous stroke
  • Male sex
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3
Q

Stroke S+S general

A

F – Face = any asymmetry, face droop? = muscular control affected

A – arms = even strength? Any difficulty

S – speech = slurred speech, difficulty speaking, problems understanding you

T – time = time the person was right before stroke

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4
Q

Barry stoke S+S

A
  • Difficulty walking
  • Difficulty hearing
  • Collapse
  • Slurred speech
  • Facial droop
  • Difficulty moving his arm
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5
Q

Barry Ischemic stroke patho/effects

A
  • Multiple emboli = likely due to rupture of an atherosclerotic plaque
    = blockage in cerebral arteries
    = ischemia and hypoxia
    = inflammation and neuronal necrosis

Specific to barry
- Blockage occurred in left posterior cerebral hemisphere (partial, temporal and occipital lobe)
- Blockage in Bilateral cerebellum
- Blockage in Brainstem (CN 5,6,7 and 10)

= Barry patho effects
- Right hemiparesis
- Right side sensorial loss
- Right side homonymous hemianopia (both eyes he couldn’t see right side)
- Decrease visual motor coordination

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6
Q

evaluations

A
  • GCS
  • Scans
  • Neurological exam
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7
Q

GCS range/Barry range/what it is

A
  • Evaluates level of consciousness
  • Normal range 3-15 (3 being dead)
  • Barry 10/15 on admission later 13/15
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8
Q

GCS categories

A
  • Verbal response = patient’s ability to understand language/communicate – 1 none, 5 conversant with correct response
  • Eye opening = tests brain activating centers – 1 none, 4 spontaneous
  • Motor response = determine ability to obey commands and assess abnormal body positions responding to pressure stimuli – 1 none, 6 normal, obeys command
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9
Q

Management

A
  • medications
  • rehabilitation service
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10
Q

treatment for ischemic stroke!!

A
  • rtPA medication within few hours
  • Anti-coagulation
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11
Q

How rtPA works/what it is

A
  • Treats acute ischemic stroke only
  • Goal is reperfusion of cerebral vessels
  • tPA converts plasminogen into plasmin
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12
Q

Types of anti-coagulation/action

A
  • Aspirin – blocks prostaglandin synthetase action
  • Warfarin – inhibits vitamin K-epoxide reductase
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13
Q

Medications barry left with

A
  • Paracetamol
  • Aspirin
  • Omeprazole – (proton pump inhibitor for gastroesophageal reflux)
    -Cilazapril
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14
Q

Barry management plan

A
  • Medications
  • Speech language therapy – for his dysarthria and dysphagia
  • Physical therapy – help with hemiparesis and truncal ataxia
  • Home care
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15
Q

Compare ischemic stroke and hemorrhagic stroke

A

Ischemic = due to loss of blood supply to area of brain (blood clot)
Hemorrhagic = due to bleeding in brain by rupture of blood vessels

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16
Q

What is morphine action path

A
  • Have G-protein receptors linked to inhibition of adenylate cyclase
  • opening of K+ channels
  • hyperpolarization of pain conducting neurone
  • inhibits opening of calcium channels = less pain conducting neurotransmitters released.
17
Q

Opioid antagonists (naloxone) path

A
  • used to treat opioid overdose
  • all are non-selective for their receptor
  • receptor antagonist that acts on opioid receptors
  • competitive antagonists bind to opioid with higher affinity than agonists but don’t activate receptors
    = blocks receptor, prevents body from responding to opiates and endorphins