Accuracy of Transcranial Colour Coded Duplex in Comparing With CT Angiography

Exclusion Criteria10

• Patients with history of cardiac arrhythmia or discovered recently or known rheumatic heart disease.
• Patients with history of autoimmune diseases.
• Patients with space occupying lesion or hemorrhage in Ct brain.
• Pregnant female.
• Patients who refuse to participate in the study.
• Patients who have history of allergy or developed acute kidney injury during previous dye injection.
• Patients who have chronic kidney disease.
• Premorbid neurological disorder (myopathy, multiple sclerosis) on neurological examination or previous investigations.
• Inability to achieve safe vascular access.
• Patients with insufficient temporal acoustic window.