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Confounding variables in an ECG can include factors such as patient age, sex, body mass index (BMI), and underlying health conditions (like Diabetes or hypertension) that may affect heart function. Other variables may include medication use, electrolyte imbalances, and the presence of artifacts from muscle contractions or movement during the test. Additionally, environmental factors such as temperature can also influence heart rate and readings. These variables can complicate the interpretation of the ECG results, making it essential to consider them in clinical assessments.

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1mo ago

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