EKG artifacts: Difference between revisions
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{{WikiDoc Cardiology Network Infobox}} | {{WikiDoc Cardiology Network Infobox}} | ||
'''Editor-in-Chief:''' Santosh Patel M.D., FRCA | |||
'''Associate Editor-In-Chief:''' {{CZ}} | '''Associate Editor-In-Chief:''' {{CZ}} | ||
Revision as of 14:11, 25 February 2010
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WikiDoc Resources for EKG artifacts |
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Articles |
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Most recent articles on EKG artifacts Most cited articles on EKG artifacts |
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US National Guidelines Clearinghouse on EKG artifacts NICE Guidance on EKG artifacts
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Patient resources on EKG artifacts Discussion groups on EKG artifacts Patient Handouts on EKG artifacts Directions to Hospitals Treating EKG artifacts Risk calculators and risk factors for EKG artifacts
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Causes & Risk Factors for EKG artifacts |
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Editor-in-Chief: Santosh Patel M.D., FRCA
Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [1]
Please Join in Editing This Page and Apply to be an Editor-In-Chief for this topic: There can be one or more than one Editor-In-Chief. You may also apply to be an Associate Editor-In-Chief of one of the subtopics below. Please mail us [2] to indicate your interest in serving either as an Editor-In-Chief of the entire topic or as an Associate Editor-In-Chief for a subtopic. Please be sure to attach your CV and or biographical sketch.
Artifacts
The gallery of images below shows a variety of EKG artifacts that are due to tremor, movement, movement disorders and electrical interference. These artifacts should not be confused with an abnormality in the patient's electrocardiogram. Atrial fibrillation can be confused with these artifacts.
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Movement artifacts
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Increasing movement artifacts in a Parkinson patient.
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Baseline drift. The amplifier in the ECG machine has to re-find the 'mean'. This often occurs right after lead connection and after electric cardioversion.
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Cardioversion from atrial fibrillation to sinus rhythm, with clear baseline drift.
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Electrical interference from a nearby electrical appliance. A typical example is a 100 Hz background distortion from fluorescent lights. Not to be confused with atrial fibrillation.
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Another example of an artifact caused by an electrical appliance. The patients rhythm is regular. This strip shows 10 QRS complexes.
References
- Dubois Du Bois-Reymond, E. Untersuchungen über thierische Elektricität. Reimer, Berlin: 1848.
- Hoffa Hoffa M, Ludwig C. 1850. Einige neue versuche uber herzbewegung. Zeitschrift Rationelle Medizin, 9: 107-144
- Waller Waller AD. A demonstration on man of electromotive changes accompanying the heart's beat. J Physiol (London) 1887;8:229-234
- Einthoven W. Le telecardiogramme. Arch Int de Physiol 1906;4:132-164
- Einthoven W. Über die Form des menschlichen Electrocardiogramms. Pfügers Archiv maart 1895, pagina 101-123
- Marey EJ. Des variations electriques des muscles et du couer en particulier etudies au moyen de l'electrometre de M Lippman. Compres Rendus Hebdomadaires des Seances de l'Acadamie des sciences 1876; 82: 975-977
- Marquez PMID 12177632
- Hurst PMID 9799216
- Kligfield PMID 17322457