What is the role of electrocardiography in the diagnosis of diabetic neuropathy?

Updated: Jan 17, 2020
  • Author: Dianna Quan, MD; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Electrocardiography may reveal prolongation of the QT interval. This is secondary to imbalance between right and left heart sympathetic innervation. This abnormality is thought to increase risk of arrhythmias. A screening ECG is advisable for patients with longstanding DM.

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