Normal Tracing: Difference between revisions
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{{authors| | |||
|mainauthor= [[user:Drj|J.S.S.G. de Jong]] | |||
* [[Rate]]: 60-100 bpm | |moderator= [[T.T. Keller]] | ||
* [[Conduction]]: | |supervisor= | ||
** [[Conduction#PQ|PQ interval]] 120-200ms | }} | ||
** [[Conduction#QRS|QRS width]] 60-100ms | [[Image:Nsr.jpg|thumb| A normal ECG]] | ||
** [[Conduction#QT|QTc interval]] 390-450ms | {| class="wikitable" | ||
* [[Heart axis]]: between -30 and +90 degrees | !Characteristics of a normal ECG | ||
* [[P wave morphology]]: | |- | ||
| | |||
* '''[[Rhythm]]''': [[Sinus node rhythms and arrhythmias|sinus]] | |||
* '''[[Rate]]''': 60-100 bpm | |||
* '''[[Conduction]]''': | |||
** [[Conduction#The PQ interval|PQ interval]] 120-200ms | |||
** [[Conduction#The QRS interval|QRS width]] 60-100ms | |||
** [[Conduction#The QT interval|QTc interval]] 390-450ms (use the [[QTc calculator]] for this) | |||
* '''[[Heart axis]]''': between -30 and +90 degrees | |||
* '''[[P wave morphology]]''': | |||
** The maximal height of the P wave is 2.5 mm in leads II and / or III | ** The maximal height of the P wave is 2.5 mm in leads II and / or III | ||
** The p wave is positive in II and AVF, and | ** The p wave is positive in II and AVF, and biphasic in V1 | ||
** The p wave duration is usually shorter than 0.12 seconds | ** The p wave duration is usually shorter than 0.12 seconds | ||
* [[QRS morphology]]: | * '''[[QRS morphology]]''': | ||
**No [[Q waves|pathological Q waves]] | **No [[Q waves|pathological Q waves]] | ||
**No left or right ventricular [[hypertrophy]] | **No left or right ventricular [[hypertrophy]] | ||
**No [[ | **No [[microvoltage]] | ||
**Normal R wave propagation. (R waves increase in amplitude from V1-V5) | **Normal R wave propagation. (R waves increase in amplitude from V1-V5) | ||
* [[ST morphology]] | * '''[[ST morphology]]''' | ||
**No [[ST morphology|ST elevation or depression]] | **No [[ST morphology|ST elevation or depression]] | ||
**T waves should be [[ST morphology|concordant with the QRS complex]] | **T waves should be [[ST morphology|concordant with the QRS complex]] | ||
* The ECG should not have changed from the previous ECG | * The ECG should not have changed from the previous ECG | ||
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Latest revision as of 23:17, 13 December 2011
| Author(s) | J.S.S.G. de Jong | |
| Moderator | T.T. Keller | |
| Supervisor | ||
| some notes about authorship | ||
| Characteristics of a normal ECG |
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