Normal Tracing: Difference between revisions

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* [[Rhythm]]: [[Sinus node rhythms and arrhythmias|sinus rhythm]]
* '''[[Rhythm]]''': [[Sinus node rhythms and arrhythmias|sinus rhythm]]
* [[Rate]]: 60-100 bpm
* '''[[Rate]]''': 60-100 bpm
* [[Conduction]]:
* '''[[Conduction]]''':
** [[Conduction#The PQ interval|PQ interval]] 120-200ms
** [[Conduction#The PQ interval|PQ interval]] 120-200ms
** [[Conduction#The QRS interval|QRS width]] 60-100ms
** [[Conduction#The QRS interval|QRS width]] 60-100ms
** [[Conduction#The QT interval|QTc interval]] 390-450ms (use the [[QTc calculator]] for this)
** [[Conduction#The QT interval|QTc interval]] 390-450ms (use the [[QTc calculator]] for this)
* [[Heart axis]]: between -30 and +90 degrees
* '''[[Heart axis]]''': between -30 and +90 degrees
* [[P wave morphology]]:  
* '''[[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 bifasic in V1
** The p wave is positive in II and AVF, and bifasic 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 [[microvoltations]]
**No [[microvoltations]]
**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]]

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