the two-day purge and detox at McLean's — "The Moms herself emerged and risked…"
The Moms herself emerged and risked exterior transit and took him herself, so I gather it was urgent.
Context
JOI's drinking surfacing in the record of his last weeks as a clinical event — a two-day purge-and-detox run to McLean's during the month he otherwise never came up from the lab, urgent enough that Avril broke her own agoraphobic seclusion to drive him. The consumer half of the inheritance the sons carry, caught at the point where the drinking has become a thing that needs medical drying-out.