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Prepackaged collections of the devices and supplies (either custom or standard) needed for administering variable concentration of a cold solution to the heart to induce cardiac arrest (i.e., induced cardioplegia) during cardiac surgery; the kits may be used also to rewarm the heart after the procedure is finished. Items in these kits usually include infusion tubing, a filter, a temperature probe, and cardioplegia solutions; kits may also include protective chemical additives to the cardioplegia solution such as potassium and glucose. The kits are frequently supplied in supporting trays (i.e., procedure trays) consisting of a flat-bottomed receptacle with a border around the periphery supporting all the instruments and supplies needed for the procedure; the trays are usually covered or wrapped. These trays are intended for use in cardiac surgery to prevent myocardial injury during the arrest and reperfusion phases. Cardioplegia solution administration kits and trays are used in operating rooms.
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