Practical Implications of Obesity for Cardiovascular Diagnostics
Paul Poirier1, Carl J Lavie2, Kim Connelly3
1Faculté de pharmacie, Université Laval, Institut universitaire de cardiologie et de pneumologie de Québec, Québec City, Québec, Canada.
The Canadian Journal of Cardiology
|July 14, 2025
Summary
Obesity significantly impacts cardiovascular disease (CVD) diagnostic testing accuracy. This review offers practical strategies to optimize CVD tests in obese patients, improving diagnostic yield and patient care.
Area of Science:
- Cardiology
- Medical Imaging
- Obesity Medicine
Background:
- Obesity is a major global health challenge with profound links to cardiovascular disease (CVD) morbidity and mortality.
- Obesity presents unique challenges in cardiovascular (CV) diagnostic testing, affecting test selection, execution, and interpretation.
- Physiological and technical limitations arise from structural and metabolic changes in obese individuals, impacting CV structure, function, and test accuracy.
Purpose of the Study:
- To provide a comprehensive review of the practical implications of obesity for various CV diagnostic modalities.
- To offer a practical framework and specific recommendations for optimizing CV testing in patients with obesity.
- To enhance the diagnostic yield and performance of CV tests in this growing patient population.
Main Methods:
- Review of current literature on obesity's impact on CV diagnostic modalities.
- Detailed examination of physical examination, electrocardiogram, echocardiography, nuclear stress imaging, CT, PET, coronary calcium scoring, and MRI.
- Inclusion of practical recommendations for test selection, application, and interpretation tailored to obese patients.
Main Results:
- Obesity introduces specific challenges across all major CV diagnostic tests.
- Modern techniques, systematic approaches, and individualized protocols can significantly improve test performance.
- Optimized testing strategies are crucial for accurate CVD assessment in obese individuals.
Conclusions:
- Despite challenges, CV diagnostic testing in obese patients can be significantly improved with tailored approaches.
- An organized and personalized strategy enhances the diagnostic yield for CVD in the growing obese population.
- This review provides essential guidance for clinicians managing CV diagnostics in patients with obesity.
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