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. 1999 Mar 30;96(7):4164–4169. doi: 10.1073/pnas.96.7.4164

Table 1.

IVCT results

Caffeine, mM III:4 Tension, g IV:10 Tension, g Halothane, % v/v III:4 Tension, g IV:10 Tension, g
0.5 0.105 0.00 0.5 0.05 0.00
1.0 0.1 0.00 1.0 0.1 0.14
1.5 0.16 0.1 2.0 0.3 1.14
2.0 0.20 0.40

The threshold muscle tension for diagnosis of MHS is greater than or equal to 0.2 g tension at, or below 2 mM caffeine and 2% halothane.