Why the study?
Does normal pregnancy alter the QRS axis, Q wave, and T-wave on ECG compared to non-pregnant women?
Population
50 normal pregnant women in the 2nd trimester, 50 normal pregnant women in the 3rd trimester, and 50 normal…
Comparison
Normal pregnancy (2nd and 3rd trimester) vs Normal non-pregnant women of the same age group
Design
Cross-sectional
Authors
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Pregnancy-related ECG shifts may be physiological; leaves open whether dedicated reference values are needed before changing diagnostic thresholds.
Does normal pregnancy alter the QRS axis, Q wave, and T-wave on ECG compared to non-pregnant women?
Normal pregnancy induces physiological ECG changes, including leftward QRS axis shift, prominent inferior Q waves, and T-wave inversions, which physicians must recognize to avoid misdiagnosing cardiac disease.
M Sunitha (2014) studied this question.
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