Table 1.

Characteristics of cardioplegia.

Components	Blood cardioplegia	Del Nido cardioplegia
Blood:Cardioplegia ratio	4:1	1:4
Base solution (mL)	Ringer Lactate (1000)	Isolyte-S (1000)
KCl (mEq)	16	26
8.4%, NaHCO3 (mL)	10	13
20%, mannitol (mL)	0	17
2%, lidocaine (mL/mg)	0	6.5/130
15%, MgSO4 (mL or g)	0	14/2