What provisional diagnosis can be made to ask for mri brain for a patient of cva 3 years back
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ACR Appropriateness Criteria cerebrovascular disease MRI brain chronic stroke new neurologic symptoms
A prior CVA alone, 3 years ago, is usually not sufficient as the only provisional diagnosis for a new MRI brain request. The indication should reflect the current clinical problem.
If the patient has new or worsening neurological symptoms, a suitable provisional diagnosis is:
“Late effects of cerebrovascular accident with new/worsening focal neurological deficit - rule out recurrent ischemic stroke, intracranial hemorrhage, or other structural brain lesion.”
Examples for the request form:
- New-onset weakness / facial deviation / speech disturbance in a patient with old CVA - evaluate for recurrent stroke.
- Progressive gait imbalance, cognitive decline, or seizures following old CVA - evaluate for chronic infarct sequelae and new intracranial pathology.
- Headache with focal neurological signs and past CVA - rule out recurrent infarct/hemorrhage or mass lesion.
Suggested MRI wording:
MRI brain without contrast for suspected recurrent cerebrovascular event or assessment of chronic post-stroke changes.
Add contrast only if tumor, infection, inflammatory disease, or another enhancing lesion is suspected.
If there are acute stroke-like symptoms now, this is an emergency. The ACR cerebrovascular imaging criteria support urgent brain imaging, often CT first to exclude hemorrhage, with MRI being more sensitive for ischemia.
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