Using antiseptic solutions in surgical wound irrigation Key words: antiseptic solution, povidone-iodine, wound irrigation, toxicity. Use of powered air-purifying respirators in the OR Key words: respiratory protection, powered air-purifying respirator (PAPR), surgical N95 respirator, unfiltered exhaled air, sterile field contamination. Surgical wound classification of cesarean delivery procedures Key words: surgical wound classification, cesarean delivery, devitalized or infected tissue, contamination. Management and documentation of foam dressings used in open wounds Key words: retained surgical items, therapeutic packing, foam dressings, negative-pressure wound-therapy device. Gastric lavage during a malignant hyperthermia crisis Key words: malignant hyperthermia, gastric lavage, patient cooling methods, thermal management, perfusion.