70 year old Peter arrives at hospital with a dangerously high heart rate. Dr. Chris and the medical team have to act fast, to prevent Peter going into cardiac arrest. Peter is given medication to lower his heart rate, and the team also try a clever physical manoeuvre which should get the drugs to work quicker. 18 year old Ryan comes into minors with a nasty gash on his leg. After getting the front of his leg caught in barbed wire, Ryan ripped it out, causing a deep laceration. Junior Doctor Chin