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| − | ====5. Sinus Arrest & Sinus Block==== | + | ====5. [[Sinus Arrest & Sinus Block]]==== |
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| − | *Sinus arrest occurs when the sinoartial node fails to discharge resulting in a pause of the normal heart rhythm.
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| − | *Sinus block occurs when the sinoatrial node fails to conduct the wave of depolarisation resulting in a pause of the normal heart rhythm.
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| − | *The presence of a sinus arrest on an ECG would be characterised by an absence of P-QRS-T complexes for more than two R-R intervals.
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| − | *The presence of a sinus block on an ECG would be characterised by an absence of P-QRS-T complexes for twice the R-R interval.
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| − | '''Treatment:'''
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| − | *Treat the underlying condition
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| − | *Drugs used in the treatment of sinus arrest and sinus blocks are the following: glycopyrrolate, isoprenaline, atropine
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| | [[Category:Arrhythmia]] | | [[Category:Arrhythmia]] |