CT scanning in acute stroke patients (at home or Community Hospital) (Guidelines)

Warning

CT scanning MUST be performed within 4 hour of admission (Stroke Standard Jan 2025)

A CT scan is used to distinguish between ischaemic and haemorrhagic stroke. Making this distinction is important to enable appropriate, suitability for thrombolysis / thrombectomy treatment and secondary prevention secondary prevention.

Acute Treatment of Ischaemic Stroke Guideline

Suitability for Secondary Prevention

Typically suitable where a confident clinical diagnosis of stroke has been made; AND
• A further vascular event would have important clinical consequences; AND
• Patients could tolerate, or co-operate with, antiplatelet or anticoagulant and other drug treatment; OR
• Has suffered a carotid distribution TIA or stroke with good recovery and is otherwise fit for carotid surgery – Rapid outpatient referral for assessment for carotid surgery is required;
• There is no upper age limit for secondary prevention, although age will influence assessment for carotid surgery;
• Further details are provided in Protocol for Secondary Prevention.

Referral for CT scan

Complete x-ray request and referral form specifying:
• Date of onset
• Symptoms and signs of suspected stroke
• Previous CNS history
• Previous and current medical history (if relevant) including current medication
• Transport arrangements patients should not drive themselves (ambulance or hospital car, own transport)
• Referring GP/Consultant contact number
• For all patients scans cannot be performed without confirmed ID. For Hospital patients wristband ID is essential
• For patients at home a contact number is required. If patient is unable to communicate they must be accompanied to allow identification.
• Case notes and Drug Kardex must accompany all hospital patients.

Editorial Information

Last reviewed: 08/12/2025

Next review date: 08/12/2028

Author(s): Stroke Clinical Network.

Version: 3

Approved By: TAM subgroup of the ADTC

Reviewer name(s): C Christie.

Document Id: TAM396