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Stroke: Subacute phase

The protocols and guidelines we use for the treatment of stroke in the subacute phase.

Suspected Acute Ischemic Stroke/TIA

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Reviewed: Aneesh Singhal, M.D. on 12/26/07

DAY 1: The first 24 hrs

 

Initial Management

  • History and Physical
  • Blood tests (CBC, Plt, ESR, PT, PTT, Glucose, Chem-7, CPK, LFT, Optional Hypercoagulation Panel)
  • ECG and Chest X-ray
  • CT or MRI brain; consider CTA/MRA or carotid ultrasound TCD to evaluate large cerebral vessel patency

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Presumed Pathophysiological Dx

If < 12hrs from symptom onset, page Acute Stroke Team beeper #34282

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Stroke Mimic

Tumor
Migraine
Seizures
Demyelination

Ischemic Stroke

Hemorrhagic

SAH
ICH
TBI

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Brain Imaging

Consider CT and/or MRI with contrast agent
Consider EEG, LP, Toxicology Screen

Acute Ischemic Stroke

(ALL STROKES < 12 hrs after symptom onset)

  • If < 3 hrs and no CT exclusion, consider iv t-PA
  • If < 6 hrs in carotid territory or < 12 hrs in basilar territory, no CT exclusion, and CTA evidence of large vessel occlusion, consider IA thrombolysis
  • Strokes up to 36 hrs after onset may be eligible for neuroprotective trials

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Brain Imaging

CTA, MRI/A, Angiography
Consider admission to NeuroCritical Care Unit

 

Confirm the presumed pathophysiologic diagnosis with the following tests/procedures

  • Evaluate cerebrovascular pathology with Carotid Ultrasound, TCD, CTA, Perfusion MR/MRA of Conventional Transfemoral Angiography
  • consider cardiac echo (see Cardiac echo utilization for stroke/TIA)
  • Consider IV Heparin in non-lacunar or non-infectious stroke
  • Consider admission to Stroke Unit

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Stroke Type

ThromboEmbolic

Large Vessel

Lacunar

Other Mechanism

Source

Emboli from Left Heart, Great Vessels, Paradoxical, or Cryptogenic

Atherosclerosis of Internal Carotid, Middle Cerebral or Vertebrobasilar Arteries

Lipohyalinosis of Lenticulostriate, Brainstem, Cerebellar or Thalamogeniculate Arteries

Variable locations

Mechanisms

Embolism

Low flow or Artery-to-artery Embolism

Thrombosis in situ

Dissection Vasculitis, Complicated migraine, Cerebral venous sinus thrombosis, Infection, Mitochondrial, Genetic

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In the News

The MGH Neurology Department placed 4th in US News Neurology / NeuroSurgery rankings for 2007.

Educational Video

Still from the Stroke Evaluation simulation

This video simulation of an Emergency stroke evaluation illustrates the care of patients with acute stroke by the MGH Acute Stroke team.