Urgent care clinics only treat minor injuries, they are not capable of treating a gunshot wound. Gunshot wounds are always treated by a hospital emergency room, if someone with a GSW arrives at a urgent care clinic they of course would render first aid, but they are legally required to transfer the person to a hospital. This is because most GSW's require surgical intervention and an urgent care clinic is not staffed or equipped to handle such a severe injury.
The OCCB and SVU detectives are the first ones through the door when a tactical entry is made to Linda Wilkie's house. However they are in Ohio, the NYPD has no jurisdiction here, in a situation such as this the FBI would take point, the NYPD officers would be the last through the door.
The device on Whelan's chest is not a phrenic pacemaker, which controls breathing, as claimed. It is actually a Holter monitor, which records the electrical signals of the heart.
In the photo shown of Captain Benson in her dress uniform, she wears her NYPD Medal of Honor breast bar above her World Trade Center breast bar. NYPD regulations require that when the WTC bar is worn, it is worn above all other medals, but below the American Flag bar.