Nonspecific ST-segment and T-wave changes: Difference between revisions
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[[Image:SinusRhythmLabels.png|200px|thumb|Schematic representation of normal ECG segments]] | [[Image:SinusRhythmLabels.png|200px|thumb|Schematic representation of normal ECG segments]] | ||
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{{CMG}}; '''Associate Editor-In-Chief:''' {{CZ}} | |||
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'''Associate Editor-In-Chief:''' {{CZ}} | |||
== | {{SK}} NSSTW changes | ||
==Overview== | |||
Non specific ST [[T wave]] changes refer to changes in the [[T waves]] (such as inversion or flattening) and [[ST segments]] (such as [[ST depression]]) on the electrocardiogram that due not follow an anatomic distribution and are not diagnostic of any one condition. | |||
== Causes of Non Specific ST Segment and T Wave Changes <ref>Hammill S. C. Electrocardiographic diagnoses: Criteria and definitions of abnormalities, Chapter 18, MAYO Clinic, Concise Textbook of Cardiology, 3rd edition, 2007 ISBN 0-8493-9057-5</ref>== | |||
* [[Adrenal insufficiency]] | * [[Adrenal insufficiency]] | ||
* [[Anxiety]] | * [[Anxiety]] | ||
* [[Central nervous system]] diseases | * [[Central nervous system]] diseases | ||
* [[Congestive heart failure]] | * [[Congestive heart failure]] | ||
* [[Digoxin]] | |||
* [[Electrolyte disturbances]] | |||
* [[Gallbladder disease]] | * [[Gallbladder disease]] | ||
* [[Heart failure]] | * [[Heart failure]] | ||
| Line 25: | Line 28: | ||
* [[Pancreatitis]] | * [[Pancreatitis]] | ||
* [[Pheochromocytoma]] | * [[Pheochromocytoma]] | ||
* Postprandial T-waves changes | * [[Postprandial T-waves changes]] | ||
* [[Pulmonary embolism]] | * [[Pulmonary embolism]] | ||
* [[Pericarditis]] | * [[Pericarditis]] | ||
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{{reflist|2}} | {{reflist|2}} | ||
{{Electrocardiography}} | |||
[[Category:Electrophysiology]] | [[Category:Electrophysiology]] | ||
Latest revision as of 13:41, 23 September 2012
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]
Synonyms and keywords: NSSTW changes
Overview
Non specific ST T wave changes refer to changes in the T waves (such as inversion or flattening) and ST segments (such as ST depression) on the electrocardiogram that due not follow an anatomic distribution and are not diagnostic of any one condition.
Causes of Non Specific ST Segment and T Wave Changes [1]
- Adrenal insufficiency
- Anxiety
- Central nervous system diseases
- Congestive heart failure
- Digoxin
- Electrolyte disturbances
- Gallbladder disease
- Heart failure
- Hyperkalemia
- Hyperventilation (in 70% of patients after 30 to 60 seconds)
- Hypokalemia
- Hypopituitarism
- Hypothyroidism
- Ischemic heart disease
- Left ventricular hypertrophy (LVH)
- Mitral valve prolapse (MVP)
- Orthostatic changes (3 to 23%), most prominent in the inferior leads
- Pacemaker
- Pancreatitis
- Pheochromocytoma
- Postprandial T-waves changes
- Pulmonary embolism
- Pericarditis
- Right ventricular hypertrophy (RVH)
- Truncal vagotomy
References
- ↑ Hammill S. C. Electrocardiographic diagnoses: Criteria and definitions of abnormalities, Chapter 18, MAYO Clinic, Concise Textbook of Cardiology, 3rd edition, 2007 ISBN 0-8493-9057-5