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Cardiac Rhythms and Dysrhythmias Rhythm and Strip ECG Characteristics Management Normal sinus rhythm Rate: 60 – 100 bpm Rhythm: regular There is one P for every QRS PR interval: 0.12 – 0.20 seconds QRS complex: 0.06 – 0.10 seconds This is a normal heart rhythm so no treatment is required Sinus tachycardia Rate: 101 – 150 bpm Rhythm: regular There is one P for every QRS but may be hidden with T wave due to speed PR interval: 0.12 – 0.20 seconds QRS complex: 0.06 – 0.10 seconds This is only treated if client is symptomatic or is at risk for myocardial damage If there is an underlying cause, betablockers or verapamil can be used Sinus bradycardia Rate: < 60>
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