Peaked T waves: Difference between revisions
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==Overview== | ==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 wave]]s and [[QTc]] prolongation are more consistent with [[stroke]] than hyperkalemia. | |||
==Electrocardiographic Examples== | |||
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|[[Image:Hyperkalemia1.jpg|thumb|350px|Peaked T waves]] | |||
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|[[Image:Hyperkalemia2.jpg|thumb|250px|Peaked T waves]] | |||
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==References== | ==References== | ||
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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