1. Khambatta HJ, Stone JG, Wald A, Mongero LB. Electrocardiographic artifacts during cardiopulmonary bypass. Anesth Analg 1990; 71: 88–91.
2. Landymore RW, Marble AR, Trillo A, et al. Effect of small-amplitude electrical activity on myocardial preservation in the cold potassium-arrested heart. J Thorac Cardiovasc Surg 1986; 91: 684–689.
3. Brandt B, Richardson.TV, O’Bryan P, Ehrenhaft JL. Intramyocardial electrical and metabolic activity during hypothermia and potassium cardioplegia. Ann Thorac Surg 1981; 31: 117–120.
4. Ferguson TB, Smith PK, Buhrman WC, et al. Monitoring of the electrical status of the ventricle during cardioplegic arrest. Circulation 1983; 68 (suppl II): 27–33.
5. Ferguson TB, Smith PK, Lofland GK, et al. The effects of cardioplegic potassium concentration and myocardial temperature on electrical activity in the heart during elective cardioplegic arrest. J Thorac Cardiovasc Surg 1986; 92: 755765.