Ledda F, Mantelli L, Mugelli A
Br J Pharmacol. 1976 Jun;57(2):247-9. doi: 10.1111/j.1476-5381.1976.tb07474.x.
1 In isolated heart preparations in which fast sodium channels were blocked by tetrodotoxin (2-4 x 10(-5) M), excitability was restored by histamine (6 x 10(-6) M to 10(-5) M). 2 This effect was antagonized by EDTA (2 X 10(-6) M),D600 compound (0.5mug/ml) and the H2-receptor antagonist, burimamide(2 X 10(-4) M).