This is the second time Luka has been an innocent bystander at an accident. The first time that happened to him was in the Season 6 episode "Be Patient."
Wardrobe: One of Neela's family members is wearing a 1996-1998 Manchester United FC home jersey. Manchester United FC is a soccer team based in Manchester, England.
Goof: While Sam is reminiscing about her early days with Steve, she mentions him picking her up in a Mustang GTO. Ford has produced many a Mustang GT, but never a GTO. Pontiac, on the other hand, built a GTO (Gran Turismo Omologato) from 1964 to 1974.
The guitar riff Steve (Alex's dad) plays at the beginning of the episode is from the Blind Melon song "No Rain."
Goof: While Weaver is in surgery with Sandy, she is still touching Sandy when she gets shocked. This would have resulted in Kerry getting shocked as well.
Title: "Impulse Control"
The episode title comes from a portion of dialog that Kerry says to Sam: "It's clear to everyone that you have an impulse control problem."
Goof: Abby swaddles the baby so that his parents can hold him as he dies. As she is carrying him out of the NICU the baby is wrapped tight. When she hands him to the parents he is loosely wrapped & his feet are visible. When they show the parents holding him he is again wrapped tightly.
In this episode we learn that Neela had a baby brother who died when he was just six days old. She was three years old at the time.
NICU stands for Neonatal Intensive Care Unit.
Goof: The music playing in the ER at the beginning of the episode is a bhangra song, not Sihk rap, as Gallant refers to it.
The flag on Abby's hat is Norwegian.
Goof: Carter refers to a "C-140" flight to Kinshasa. The C-140 was a US Air Force version of the Lockheed JetStar four-engine business-type VIP transport airplane that was retired in the early 1990s. Carter probably meant to say C-130, a four-engine turboprop military transport aircraft, also built by Lockheed.
Goof: In the Season 8 "Secrets and Lies" we learn that Gallant has a twin sister named Susan and that she has cerebral palsy. In this episode, however, her name is Valerie and she has multiple sclerosis.
The helicopter used in the crash scene is a Bell 206L [N6516K] based in Van Nuys, CA, and is still flying as of 2005.
At 40:48 a sign on the wall can be seen which says, "Quizá necesites lentes. O quizá sea un ataque al cerebro." This is Spanish for:
"You may need glasses. Or it may be a stroke."
The title of this episode, "Shifts Happen," was the original title of the Season 9 episode "A Thousand Cranes."
The prayers Luka recites in Croatian in the scene where he is about to be executed are the "Lord's Prayer" followed by the "Hail Mary." The lyrics to Barber's Adagio for Strings is the prayer "Agnus Dei" (Lamb of God). All of these are traditional Catholic prayers Luka would have known from childhood.