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[Quantitative evaluation of various cardiac diseases using body surface mapping]
Journal of Cardiography
|September 1, 1985
Summary
Body surface mapping effectively quantifies cardiac diseases. For anterior myocardial infarction, specific mapping parameters accurately assessed infarct size and ventricular function, correlating well with established diagnostic methods.
Area of Science:
- Cardiology
- Biomedical Engineering
- Medical Imaging
Context:
- Body surface mapping (BSM) is a non-invasive technique for quantitative cardiac electrical activity assessment.
- Evaluating cardiac diseases requires accurate methods to determine infarct size and ventricular function.
- Previous studies have explored BSM for various cardiac conditions.
Purpose:
- To quantitatively evaluate cardiac diseases using body surface mapping.
- To compare BSM parameters with established methods for assessing infarct size in anterior myocardial infarction (AMI).
- To correlate BSM parameters with left ventricular dimensions in aortic regurgitation (AR).
Summary:
- In 30 AMI cases, BSM parameters like nSubtraction 40 (sigma Subtr. 40) showed strong correlation with left ventricular (LV) asynergy (r=0.70).
- nSubtraction 10-60 (sigma Subtr. 10-60) correlated highly with ejection fraction (EF) (r=0.83) and 201Tl defect size (r=0.85).
- In 19 AR cases, BSM voltages were compared with LV diastolic dimension (LVDd) from echocardiography.
Impact:
- BSM provides a quantitative, non-invasive tool for assessing myocardial infarction severity.
- This technique offers potential for improved diagnosis and management of cardiac diseases.
- BSM parameters demonstrate significant correlation with established clinical and imaging metrics.