During Squad 51's second call, one shot shows an older model Dodge rescue truck in transit.
As Gage and DeSoto take a moment for coffee at Rampart, DeSoto puts his cup down twice.
In the first scene, Johnny reminisces with Roy about how Roy invited him to become a paramedic. He says that he was working at Station 8. They cut to the sleeping station, when a call comes in at 1:10AM. After getting dressed and going down the fire pole, Johnny is seen getting into Station 10's Rescue Squad vehicle instead of Station 8's.
During the heart attack call, Johnny incorrectly reports that the patient had been cardioverted. In ventricular fibrillation the correct term is defibrillated.
As the victim of hyperventilation exits a hospital room and is pushed down the hall in a wheelchair at Rampart General, we see the large boom mic shadow reflection on camera left wall.