Peaked T waves: Difference between revisions

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VisualWikitext

Revision as of 12:02, 23 September 2012

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

Progression of T wave changes in hyperkalemia Peaked T waves Peaked T waves

Tall, symmetric, narrow based T waves in a hyperkalemic patient.

References

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 |[[Image:Hyperkalemia.jpg|500px|Tall, symmetric, narrow based T waves in a hyperkalemic patient.]]
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