Peter is an 18 year old who

Peter is an 18 year old who lives in a share house with three friends. He called his parents and told them he had been experimenting with heroin and was concerned that he had taken too much. He sounded confused and his breathing was laboured. Peter’s parents were concerned and called an ambulance. On arrival at Peter’s house the paramedics confirmed that Peter’s symptoms were consistent with a heroin overdose and they found a needle puncture mark where Peter had injected the heroin. One The paramedics provided oxygen and ventilatory support, and administered naloxone (400 micrograms) by Intramuscular injection. Pupil size increased and clinical symptoms improved within a few minutes and the paramedics took Peter to the local hospital, where he remained in the emergency department for observation. Explain the metabolism and pharmacokinetics of heroin and naloxone. (Note: Your answer should take into consider the patients medical history and all medication received. Remember to incorporate latest evidence based practice in your answer) Two ​​​​​​​After 30 minutes in the emergency department, Peter’s pupils were constricted and his breathing became slow and shallow. He was administered naloxone (200 micrograms) intravenously and his symptoms improved within a minute. Explain why the second dose of naloxone was required? three You are preparing to transfer him to the short stay medical unit when Peter admits that he had been given the drugs by one of his friends, who was a regular user. Discuss the scope and impact of substance and drug abuse in Australia SCIENCE HEALTH SCIENCE NURSING NURS GMED3009

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