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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Persistent truncus arteriosus MRI

Introduction

Overview

Overview

Magnetic resonance imaging can be helpful as a diagnostic tool in conditions where the echocardiographic findings are inconclusive.

Magnetic resonance imaging

Magnetic resonance imaging

Magnetic resonance imaging (MRI) can be used as a diagnostic modality in congenital heart diseases.

Advantages of using MRI are–

  • It can be used in cases where echocardiographic results are inconclusive.
  • Helps in measuring heart volumes, blood flow and ventricular wall thickness.
  • The magnetic resonance angiography helps in better visualization of heart vasculature
  • Phase velocity mapping helps in measuring the ratio of pulmonary to systemic blood flow (Qp:Qs).

Disadvantage–

For successful MRI procedure breath holding is required, which is sometimes difficult to achieve with small kids. Due to this, the procedure is done under general anesthesia in children.

References

References

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Keri Shafer, M.D. [2] Priyamvada Singh, MBBS [[3]] Kristin Feeney, B.S. [[4]]