Nonspecific ST-segment and T-wave changes: Difference between revisions
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Revision as of 10:53, 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]
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.
Differential Diagnosis of 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