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Related Experiment Video

Updated: May 8, 2026

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography

Published on: February 16, 2016

Left lateral imaging position in routine myocardial perfusion practice.

A Mohaney¹, A Mourad, Khalid Alnemer

¹SGH, Radiology Department, P.O. Box 84348, Riyadh, Saudi Arabia.

Journal of the Saudi Heart Association

|August 21, 2013

Summary

The left lateral position during myocardial perfusion imaging can decrease diaphragmatic artifact. This improvement enhances the test's accuracy for diagnosing heart conditions.

Keywords:

Mycardial perfusion Nuclear imaging

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Published on: December 16, 2022

Area of Science:

Cardiology
Nuclear Medicine
Medical Imaging

Background:

Myocardial perfusion imaging (MPI) is crucial for assessing heart blood flow.
Diaphragmatic attenuation artifact can obscure cardiac structures in MPI.
Artifacts reduce the accuracy and reliability of MPI results.

Purpose of the Study:

To evaluate the effectiveness of the left lateral position in reducing diaphragmatic attenuation artifact during MPI.
To determine if this positional change improves the specificity of myocardial perfusion imaging.

Main Methods:

Review of existing literature on myocardial perfusion imaging techniques.
Analysis of studies investigating patient positioning during MPI.
Comparison of image quality and diagnostic accuracy with and without the left lateral decubitus position.

Main Results:

The left lateral position is associated with a reduced incidence of diaphragmatic attenuation artifact.
Improved visualization of the inferior wall of the left ventricle was noted.
Enhanced image quality leads to a potential increase in diagnostic specificity.

Conclusions:

Adopting a left lateral position during myocardial perfusion imaging is a valuable strategy.
This technique effectively mitigates diaphragmatic artifact, thereby improving test specificity.
The left lateral position should be considered for optimizing MPI diagnostic performance.