Related Experiment Video
Updated: Sep 28, 2025

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
Published on: March 15, 2022
Contrast-Induced encephalopathy following diagnostic coronary angiography
Hytham Rashid1,2,3, Jonathan Brown1,2, Emily Nix3
1University of Houston College of Medicine Houston USA.
Insights
Contrast-induced encephalopathy (CIE) is a rare complication of coronary angiography, often mimicking stroke. This case highlights diagnostic challenges and emphasizes CIE as a diagnosis of exclusion.
Area of Science:
- Neurology
- Radiology
- Cardiology
Background:
- Coronary angiography is a common procedure for diagnosing heart conditions.
- Contrast media used in angiography can rarely cause adverse neurological events.
- Contrast-induced encephalopathy (CIE) is a recognized but infrequent complication.
Observation:
- A patient presented with acute confusion and neurological deficits post-coronary angiography.
- Initial presentation mimicked acute ischemic stroke, posing a diagnostic dilemma.
- Symptoms resolved spontaneously within 48 hours.
Findings:
- The patient's neurological symptoms were attributed to contrast-induced encephalopathy (CIE).
- CIE is a diagnosis of exclusion, requiring thorough evaluation to rule out other causes.
- Prompt recognition is crucial for appropriate patient management.
Implications:
- Awareness of CIE is essential for clinicians interpreting neurological changes after angiography.
- This case underscores the importance of considering CIE in the differential diagnosis of post-procedural neurological dysfunction.
- Further research may elucidate specific risk factors and preventative strategies for CIE.
Abstract:
Contrast-induced encephalopathy (CIE) is a rare, reversible complication of coronary angiography that can mimic acute strokes. This case illustrates the diagnostic challenges for a patient presenting with confusion following coronary angiography and raises awareness for CIE as diagnosis of exclusion.
More Related Videos
18:11A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
Published on: December 28, 2012
04:01Point of Care Transcranial Color-Coded Duplex Ultrasound of the Middle Cerebral Artery
Published on: August 9, 2024
Related Concept Videos
Cardiac Catheterization I: Pre-Procedure Overview
Acute Coronary Syndrome I: Introduction
Imaging Studies for Cardiovascular System V: CT
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations
Acute Coronary Syndrome III: Diagnostic Studies
Coronary Artery Disease III: Clinical Manifestations