Diagnosis of Acute Ischemic and Hemorrhagic Stroke. Ischemic Stroke. Low blood flow to focal part of brain Usually caused by thromboembolism Acute therapy includes thrombolysis 2 prevention depends on source of thromboembolus Accounts for 85% of strokes.
All Occur Suddenly in Stroke Patients
Note: The dominant cerebral hemisphere is the side that controls language function.
3 to speech
2 to pain
6 obeys commands
5 localizes pain
4 withdraws to pain
3 abnl flexion to pain
2 extension to pain
Quantifies deficits in pt w/ LOC:
GCS < 9 carries poor prognosis
< 4 = mild stroke
> 15 = poor prognosis if no treatment
> 22 = risk for intracranial hemorrhage after t-PA
NOTE: AVMs can cause all three types of transient focal neurologic deficits.
Seizure with postictal state
Subclinical status epilepticus
SyncopeStroke Differential Diagnosis:Depressed LOC without Focal Deficit