Lorazepam for catatonia: How much? How long?

It is well-known, I think, that benzodiazepines are the first-line treatment for acute catatonia. Among the benzodiazepines, lorazepam is the one used most often though several other benzodiazepines have also been used. Electroconvulsive therapy (ECT) is recommended when rapid response is essential or when benzodiazepines don’t work (Hasan et al., 2012). But, the details of…