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  • Title: Optimum bedside cardiac monitoring.
    Author: Jacobson C.
    Journal: Prog Cardiovasc Nurs; 2000; 15(4):134-7. PubMed ID: 11098525.
    Abstract:
    Correct electrode placement is critical to obtaining accurate information from any monitoring lead. The choice of lead should be based on the goals of monitoring for a specific patient population and on the individual patient's clinical situation. When using a 5-wire monitoring cable, arm electrodes should be placed on the shoulders; leg electrodes, on the lower thorax or hip area; and the chest electrode, in the desired V lead position. When using a 3-wire system, lead placement depends on which lead is desired for monitoring. If arrhythmia diagnosis is the goal of monitoring, lead V1 is the best lead; lead V6 is the next best lead. If ST segment monitoring for ischemia or reocclusion following percutaneous coronary interventions is the goal, the best lead depends on the coronary artery involved. Multiple lead monitoring is superior to single lead monitoring. If two leads are available, V1 and lead III or aVF (or a limb lead with maximal ST segment displacement) are good choices. If three leads are available, leads V1, III, and aVF are the best choices. Continuous 12-lead monitoring is available and offers several advantages.
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