Peaked T waves: Difference between revisions
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Revision as of 11:39, 23 September 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Peaked T waves refers to the pointed, tall, peaked shape of T waves on the EKG in the setting of certain abnormalities such as hyperkalemia.
Causes
- Earliest sign of hyperkalemia
- Occurs with K > 5.5 meq/li
- Differential diagnosis of this EKG change includes the T wave changes of bradycardia or stroke.
- Prominent U waves and QTc prolongation are more consistent with stroke than hyperkalemia.
Electrocardiographic Examples
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