Types of Stroke and Nursing Assessment
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Questions and Answers

What characterizes an embolic stroke?

  • It causes bleeding within brain tissue.
  • A clot forms elsewhere and travels to the brain. (correct)
  • A blockage occurs within the brain's arteries.
  • It involves rupturing of a blood vessel.

Which of the following is NOT a risk factor attributed to stroke?

  • Family history of stroke
  • High blood pressure
  • Underactive thyroid gland (correct)
  • Obesity

What neurological deficit is most commonly associated with a left brain stroke?

  • Dysphagia
  • Emotional instability
  • Impaired spatial perception
  • Aphasia (correct)

What is the primary cause of ischemic stroke?

<p>Blockage in a brain artery (A)</p> Signup and view all the answers

Which of the following is a major risk factor for both ischemic and hemorrhagic strokes?

<p>Hypertension (C)</p> Signup and view all the answers

Which statement about Transient Ischemic Attack (TIA) is accurate?

<p>It is a warning sign indicating possible future strokes. (C)</p> Signup and view all the answers

Which imaging technique is typically used first to differentiate between ischemic and hemorrhagic strokes?

<p>Non-contrast CT Scan (A)</p> Signup and view all the answers

Which of the following is a symptom of a stroke?

<p>Sudden confusion (B)</p> Signup and view all the answers

Which lifestyle modification is NOT recommended for preventing stroke risk?

<p>Increasing smoking habits (A)</p> Signup and view all the answers

What is the primary goal of thrombolysis in stroke management?

<p>Dissolve a blood clot (C)</p> Signup and view all the answers

Flashcards

Ischemic Stroke

Most common type of stroke (85%), caused by a blockage in a brain artery.

Hemorrhagic Stroke

Stroke caused by bleeding in or around the brain (15% of cases).

Intracerebral Hemorrhage

Bleeding within the brain tissue.

Transient Ischemic Attack (TIA)

A short-lived stroke (lasting less than 24 hours), without lasting damage.

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Cerebral Autoregulation

Maintaining stable blood flow to the brain despite blood pressure changes.

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Stroke Manifestations

Symptoms caused by a stroke, varying depending on the affected brain region, including motor and sensory impairments, language/cognitive deficits, swallowing difficulties (dysphagia), and more.

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Left Brain Stroke

A stroke affecting the left cerebral hemisphere, frequently causing language and analytical ability problems, and aphasia.

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Ischemic Stroke Risk Factors

Conditions like hypertension, heart disease, diabetes, smoking, and high cholesterol that increase the chance of a blood clot obstructing blood flow to the brain.

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Stroke Diagnostic Test

Uses Imaging to differentiate between ischemic (blood clot) and hemorrhagic (bleeding) strokes and then identifies areas of brain damage.

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Stroke ABCs

Prioritizing Airway, Breathing, and Circulation during stroke management ensures a stable patient condition.

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Study Notes

Types of Stroke: Pathophysiology and Clinical Manifestations

  • Ischemic Stroke: A blood clot or blockage reduces blood flow to the brain, causing cell death due to oxygen deprivation. Clinical presentations include sudden weakness, facial droop, slurred speech, vision problems, dizziness, and difficulty walking.

  • Hemorrhagic Stroke: A blood vessel in the brain ruptures, leading to bleeding and increased pressure on brain tissue. Clinical manifestations include severe headache, nausea, vomiting, loss of consciousness, seizures, weakness, or numbness.

  • Transient Ischemic Attack (TIA): A temporary blockage of blood flow to the brain. Symptoms are similar to a stroke but resolve within 24 hours, with no permanent damage.

Comprehensive Nursing History and Focused Physical Assessment for Stroke Patients

  • Primary Survey (ABCDE):

    • A (Airway): Ensuring open airway patency.
    • B (Breathing): Assessing respiratory rate, effort, and oxygen saturation.
    • C (Circulation): Evaluating blood pressure, heart rate, and peripheral perfusion.
    • D (Disability): Assessing neurological status using the Glasgow Coma Scale, pupil response, and limb strength.
    • E (Exposure): Exposing the patient to check for injuries and skin changes.
  • History Taking (AMPLE):

    • Allergies
    • Medications
    • Past medical history
    • Last meal
    • Events leading to condition
  • Focused Physical Assessment: Assessing cranial nerves, speech, facial symmetry, limb movement, coordination, and sensation.

Diagnostic Tests and Investigations for Stroke

  • CT Scan (Non-contrast): Initial test to differentiate between ischaemic and hemorrhagic stroke.

  • MRI: Detailed brain tissue imaging, especially useful in early stroke.

  • Carotid Ultrasound: Assesses blood flow and blockages in the carotid arteries.

  • ECG: Identifies possible cardiac issues, like atrial fibrillation, that may cause emboli.

Recognising Clinical Cues for Deterioration in Stroke Patients

  • Sudden decline in consciousness or responsiveness

  • Increasing weakness or paralysis

  • Worsening speech or communication difficulties

  • Severe headache, nausea, or vomiting

  • Changes in pupil size or reactivity

  • Altered respiratory patterns or signs of aspiration

  • Seizures or signs of increased intracranial pressure

Developing a Therapeutic Plan of Care for Stroke Patients

  • Assessment Findings: Review diagnostic results, neurological assessments, and vital signs.

  • Clinical Reasoning Cycle: Consider patient situation, collect cues and information, process information, identify problems, establish goals, take action, and evaluate outcomes.

  • Goal: Reduce brain damage, restore circulation, prevent complications.

  • Team Roles: Neurologist, nurse, physiotherapist, speech therapist.

Collaborative Management Strategies in Acute Care Setting

  • Early Interventions (Ischaemic Stroke): Administer thrombolytics within 3-4.5 hours of symptom onset.

  • Early Interventions (Hemorrhagic Stroke): Manage blood pressure, and consider potential surgery.

Risk Factors for Stroke

  • Non-modifiable risk factors: Age, family history, gender.

  • Modifiable risk factors: High blood pressure, smoking, heart disease, high cholesterol, lack of exercise, poor diet, sleep apnea.

Diagnostic Investigations

  • Key Imaging: CT scan (non-contrast) to differentiate ischemic from hemorrhagic stroke; MRI to assess brain tissue damage; Carotid ultrasound for assessing blood vessels.

Assessment, Diagnosis, and Interventions (Nursing and Medical)

  • Airway, Breathing, Circulation: Monitor vital signs, and manage breathing and circulation difficulties.

  • Neurological Monitoring: Frequent assessment to evaluate the progression or improvement of neurological status.

  • Blood Pressure Control: Maintain within safe limits for appropriate management of ischemic and hemorrhagic stroke.

  • Thrombolytics (for ischemic strokes): Administered if indicated, with close monitoring for bleeding.

  • Rehabilitation and Long-term Care: Physical and occupational therapy for improving mobility and self-care.

  • Psychosocial Support: Addressing emotional impacts and promoting coping strategies.

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Description

This quiz explores the pathophysiology and clinical manifestations of different types of strokes, including ischemic, hemorrhagic, and transient ischemic attacks. Additionally, it covers the comprehensive nursing history and focused physical assessment for stroke patients, emphasizing the primary survey elements. Test your knowledge on these critical health topics!

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