DeLuca’s irritation with the case and Meredith’s attempts to step in turned into agitation, and culminated in DeLuca yelling at Meredith in the hallway of the hospital after she tried to stop him from administering a drug without running it by her.
In “A Diagnosis,” the clock was running out for Suzanne, and DeLuca and Dr. Riley were on a mission to diagnose her before it was too late.
DeLuca was struggling with Riley’s decision to pull Suzanne off all her meds so that they’d be able to figure out what was wrong with her, and the case was getting to them.