Key result
Peripheral edema and weight changes alter QRS duration, impacting ICD and CRT referral in HF.
Population
Patients with dilated cardiomyopathy, heart failure, or other oedematous states
Design
Review
Authors
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Edema and weight changes warrant caution in QRS assessment for ICD/CRT referral; leaves open prospective validation in HF.
Changes in QRS duration should be interpreted in the context of peripheral edema and weight changes when evaluating patients for ICD or CRT implantation.
John E Madias (2005) conducted a review in Dilated cardiomyopathy (DCM) or heart failure (HF). Changing oedematous states (peripheral oedema) was evaluated on Changes in QRS duration (QRSd). Changes in peripheral edema and patient weight can alter QRS amplitude and duration, which must be considered when assessing QRS duration for ICD or CRT referral in heart failure patients.
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