Why the study?
How do standard and signal-averaged ECG parameters change with the amelioration of peripheral edema in a patient with congestive heart failure?
How do standard and signal-averaged ECG parameters change with the amelioration of peripheral edema in a patient with congestive heart failure?
Changes in edematous states in heart failure can alter standard ECG parameters such as QRS amplitude and duration, while signal-averaged ECGs may remain unchanged.
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May confound standard ECG interpretation during edema resolution in HF; hypothesis-generating for signal-averaged ECG stability.
John E. Madias (2005) studied this question.
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