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“ Etomidate (5 × 10-5 M) significantly attenuated the contractile response induced by the addition of calcium in the calcium-free isotonic depolarizing solution.”
Canadian journal of anaesthesia = Journal canadien d'anesthesie • 2005 | View Paper
“When extracellular albumin concentration was kept constant (20 g/L), increasing the concentration of etomidate by one log restored its inhibitory effect on the calcium signal.”
Fundamental & clinical pharmacology • 2000 | View Paper
“ConclusionsThese findings indicate that the direct negative Inotropic effect of etomidate results from a decrease in intracellular Ca++ availability with no changes in myofibrillar Ca++ sensitivity.”