Difference between revisions of "Normal Tracing"

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{{authors|
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|mainauthor= [[user:Drj|J.S.S.G. de Jong]]
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|moderator= [[T.T. Keller]]
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|supervisor=
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}}
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[[Image:Nsr.jpg|thumb| A normal ECG]]
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{| class="wikitable"
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!Characteristics of a normal ECG
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|-
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|
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* '''[[Rhythm]]''': [[Sinus node rhythms and arrhythmias|sinus]]
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* '''[[Rate]]''': 60-100 bpm
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* '''[[Conduction]]''':
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** [[Conduction#The PQ interval|PQ interval]] 120-200ms
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** [[Conduction#The QRS interval|QRS width]] 60-100ms
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** [[Conduction#The QT interval|QTc interval]] 390-450ms (use the [[QTc calculator]] for this)
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* '''[[Heart axis]]''': between -30 and +90 degrees
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* '''[[P wave morphology]]''':
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** The maximal height of the P wave is 2.5 mm in leads II and / or III
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** The p wave is positive in II and AVF, and biphasic in V1
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** The p wave duration is usually shorter than 0.12 seconds
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* '''[[QRS morphology]]''':
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**No [[Q waves|pathological Q waves]]
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**No left or right ventricular [[hypertrophy]]
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**No [[microvoltage]]
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**Normal R wave propagation. (R waves increase in amplitude from V1-V5)
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* '''[[ST morphology]]'''
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**No [[ST morphology|ST elevation or depression]]
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**T waves should be [[ST morphology|concordant with the QRS complex]]
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* The ECG should not have changed from the previous ECG
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|}

Revision as of 19:51, 15 March 2011

Author(s) J.S.S.G. de Jong
Moderator T.T. Keller
Supervisor
some notes about authorship
A normal ECG
Characteristics of a normal ECG
  • The ECG should not have changed from the previous ECG