Table 1. Blood gas analysis of coronary perfusate.

	Buffer	pre-6AN	post-6AN	P-Value (n = 5)
pH	7.43±0.02	7.39±0.01	7.33±0.02	P = 0.0082 vs pre-6AN
pCO2 (mmHg)	36.7±1.2	40.8±1.0	45.8±1.3	P = 0.017 vs pre-6AN
pO2 (mmHg)	629±12	227±17	249±21	NS
Na+ (mmol/L	140.7±2.3	142.0±0.4	143.0±0.5	NS
K+ (mmol/L)	5.6±0.1	5.6±0.02	5.8±0.09	NS
Ca2+ (mmol/L)	2.07±0.04	2.14±0.03	2.14±0.01	NS
Glucose (mg/dl)	200±5	197±2	196±1	NS
Lactate (mmol/L)	0±0	0±0	0±0	NS