Key result
Frank vectorcardiogram detects posterior QRS loops signaling early RVH in ~66% of mitral stenosis patients.
Why the study?
Vectorcardiographic characteristics in patients with mitral stenosis were not well described and needed detailed analysis compared to normal subjects.
What are the Frank vectorcardiographic findings in patients with mitral stenosis compared to normal subjects?
Population
29 patients with mitral stenosis
Comparison
Frank vectorcardiogram findings vs series of normal subjects
Design
Observational study
Authors
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May support vectorcardiography for early RVH detection in mitral stenosis; leaves open prospective validation against imaging.
Observational (n=29)
What are the Frank vectorcardiographic findings in patients with mitral stenosis compared to normal subjects?
The Frank vectorcardiogram can identify early right ventricular hypertrophy in patients with mitral stenosis through specific QRS loop changes.
Taymor et al. (1964) conducted an observational in Mitral stenosis (n=29). Frank Vectorcardiogram vs. Normal subjects was evaluated on Vectorcardiographic findings (QRS loops). Frank vectorcardiogram analysis in patients with mitral stenosis revealed posteriorly oriented QRS loops with increased posterior voltage in 19 of 29 patients, suggesting early right ventricular hypertrophy.
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