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Table 1 Composition of HTK solution

From: Acute hyponatremia after cardioplegia by histidine-tryptophane-ketoglutarate – a retrospective study

  mmol/L
Sodium chloride 15
Potassium chloride 9
Potassium hydrogen 2-ketoglutarate 1
Magnesium chloride 6 H 2 O 4
Histidine HCl H 2 O 18
Histidine 180
Tryptophan 2
Mannitol 30
Calcium chloride 2H 2 O 0.015
Osmolarity 310
pH at 25 °C (77 °F) 7.02-7.2
  1. Relative costs decrease from class 1 through class 7.