Why the study?
Does deep inspiration affect lead III of the electrocardiogram in healthy individuals and patients with heart disease?
Population
Healthy individuals and patients with heart disease
Design
Cross-sectional
Authors
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Alerts clinicians to respiratory artifacts in lead III ECGs; leaves open impact of standardized breathing instructions on diagnostic accuracy.
Does deep inspiration affect lead III of the electrocardiogram in healthy individuals and patients with heart disease?
Deep inspiration commonly alters lead III of the electrocardiogram, highlighting the importance of considering heart position during ECG interpretation to avoid misdiagnosis.
W. Evans (1951) studied this question.
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