Ischemic stroke

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Ischemic stroke by Mind Map: Ischemic stroke

1. Definition

1.1. a type of stroke that occurs when the flow of blood to the brain is blocked

2. Diagnostics

2.1. CT scan

2.1.1. within 25 min to determine type of stroke

2.2. MRI

2.3. MR angiography of brain & neck vessels

2.4. Rule out / Assess for other complications

2.4.1. 12-lead EKG

2.4.2. carotid ultrasound

2.4.3. CT angiography

2.5. Transcranial Doppler flow

2.6. transthoracic/transesophageal echocardiography

3. Expected treatments

3.1. Thrombolytic Therapy

3.1.1. Dissolves clot

3.1.2. Goal is administer to within 60min of admission to ED

3.1.3. Side effects

3.1.3.1. Bleeding

3.2. Endovascular Therapy

3.2.1. Criteria

3.2.1.1. 18yrs or older

3.2.1.2. NIHSS score greater than 6

3.2.1.3. ASPECT score greater than 6

3.2.1.4. receving IV t-Pa within 4.5 hrs of onset

3.2.1.5. Causative occlusion

3.2.1.6. Prestroke status of no deficits

3.3. Anticoagulant administration

3.3.1. Heparin

3.3.2. LMWH

3.3.3. Warfarin

3.3.3.1. INR between 2-3

3.3.4. Newer antigcoagulants

3.3.4.1. dabigatran

3.3.4.2. apixban

3.3.4.3. edoxaban

3.3.4.4. rivaroxban

3.3.5. IF contraindicated

3.3.5.1. Aspirin

4. Common nursing diagnosis

4.1. Impaired physical mobility

4.2. Acute pain

4.3. Risk for impaired skin integrity

4.4. Risk for Impaired Swallowing

4.5. Risk for Injury

4.6. Impaired Verbal Communication

4.7. Disturbed Sensory Perception

5. Interprofessional team members

5.1. neurologist

5.2. neuroradiologist

5.3. radiology department

5.4. laboratory technicians

5.5. pharmacy

5.6. Provider

5.7. speech pathologist

6. New vocab

6.1. Dysarthria

6.1.1. Weakness in the muscles used for speech

6.2. Aphasia

6.2.1. inability to understand/express language

6.2.1.1. Expressive

6.2.1.2. Receptive

6.2.1.3. Mixed?

6.2.1.4. Global

6.3. HEMI

6.3.1. -plegia

6.3.1.1. paralysis

6.3.2. --paresis

6.3.2.1. weakness

6.4. Homonymous hemianopsia

6.4.1. loss of half of vision

7. Types

7.1. Large artery thrombotic strokes

7.1.1. Caused by

7.1.1.1. atherosclerotic plaques

7.1.2. S/S

7.1.2.1. ischemia and infarction

7.2. small penetrating artery thrombotic strokes (lacunar strokes)

7.3. cardiogenic embolic strokes

7.3.1. associated with

7.3.1.1. cardiac dysrhythmias

7.3.1.2. atrial fibrillation

7.3.1.3. valvular heart disease

7.3.1.4. thrombi in left ventricle

7.4. cryptogenic strokes

7.4.1. have no known cause

7.5. other

8. Risk factors

8.1. modifiable

8.1.1. HTN

8.1.2. DM

8.1.3. Hyperlipidemia

8.1.4. Obesity

8.1.5. Smoking

8.1.6. Poor diet

8.1.7. Lack of physical activity

8.2. non-modifiable

8.2.1. Age 👴(older than 55)

8.2.2. Male

8.2.3. Family Hx

8.2.4. African American

8.2.5. Latino

9. Commons signs and symptoms

9.1. Depends

9.1.1. Location

9.1.2. Size

9.1.3. collateral blood flow

9.2. General S/S

9.2.1. Numbness/Weakness

9.2.2. Changes in mental status (confusion)

9.2.3. Trouble speaking

9.2.4. Visual disturbances

9.2.5. Dizziness, loss of balance/coordination

9.2.6. Sudden severe headache

10. ischemic cascade

10.1. Happens when blood flow is ⬇️ 25 mL/ 100g blood per min

10.2. Anaerobic respiration occurs

10.3. ⬆️lactic acid

10.4. ⬇️ pH

10.5. ⬇️ATP

11. Prevention

11.1. Diet

11.1.1. Fruits & veggies

11.1.2. DASH Diet

11.1.3. low-fat dairy products

11.1.4. low animal protein

11.1.5. Mediterranean diet

11.2. Weight control / regular exercise

11.3. Annual Check for at high risk pt.

11.4. Smoking cessation programs

12. Nursing Interventions

12.1. Improving mobility & preventing joint

12.1.1. Proper body alingment

12.1.2. Splint affected extremity at night

12.1.3. distal joints higer than proxmial jonits

12.1.3.1. Preventing edema and fibrosis of joints

12.1.4. Range of motion

12.1.4.1. 4-5x/day

12.1.5. Bed exercises

12.1.6. Frequnet postion changes

12.1.6.1. should be positioned in prone 15-30 mins a day

12.1.7. monitor for orthostatic hypotension as when pt. resumes activity

12.2. Enhancing self care

12.2.1. preform self-care activities on the unaffected side

12.2.1.1. BUT make sure pt. doesn't neglect affected side

12.2.2. if possible add a new skill every day

12.2.3. Clothing a size larger

12.2.4. Velcro clothing

12.2.5. Ensure environment is organized and clutter free

12.2.6. change in front of a large mirror

12.3. Assist pt. adjust to changes

12.3.1. place stimili on pt.'s unaffected side

12.3.1.1. Call bell light, clocks, TV. etc

12.3.2. teach pt. to turn towards stimuli

12.3.3. increase room lighting

12.3.4. encourage eyeglasses

12.4. Nutrition

12.4.1. Swallow assessment w/ speech therapy

12.4.2. smaller boluses of food

12.4.3. thick/ pureed diet

12.4.4. position up right

12.4.5. Teach pt. to "Tuck chin towards chest when swallowing"

12.5. Bowel & Bladder control

12.5.1. Intermittent cath

12.5.2. high fiber diet

12.5.3. fluid intake (2-3L/day)

12.5.4. establish schedule for toileting

12.6. Improving communication

12.6.1. Avoid complete pt.'s thought/sentences

12.6.2. communication board w/ pictures

12.6.3. speak slowly

12.6.4. alter the environment to make it communication friendly

12.6.5. collaborate with speech therapist