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Patients Suffering From Acute Myocardial Infarction

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Introduction Patients suffering from acute Myocardial Infarction (AMI) /Coronary Heart Disease (CHD) are common incidents regularly attended by the Ambulance service on a daily basis. In the United Kingdom, CHD accounts for about one-third of all deaths in people aged 35 years or over and is the leading cause of death (British Heart Foundation 2010). The British Heart Foundation’s most recent data for Scotland and England estimates that approximately 101,000 English men and women suffer heart attacks (62,000 men and 39,000 women) annually. This is juxtaposed with Scotland where 8,000 men and 5,000 women become heart attack patients annually. The gross figure for the UK yearly, when including Wales and Northern Ireland on a comparable rate …show more content…

This essay focuses on the use of oxygen as a treatment for myocardial infarction and how this approach has changed. It will also look at pre-hospital care pathway changes adopted by clinicians within the ambulance service, hospitals and the guidance behind this. History of oxygen use in CHD Considering the aetiology of cardiac ischemia, where the myocardium receives a depleted oxygenated blood supply effecting cellular metabolism, causing cell injury and ultimately the death of muscle leading to decreased cardiac function, administration of high flow oxygen had always been considered highly effective in combating this condition. The mnemonic M.O.N.A - Morphine, Oxygen, Nitrates, Aspirin- (Reynolds 2010) has been long been associated with acute myocardial infarction treatment and indicated high flow oxygen as a standard treatment of choice for AMI’s in the pre-hospital setting by Paramedics and continued in hospital by the nursing staff. This approach in clinical practice has been consistent even though it contradicted previous research dating back over 60 years. Researchers had questioned the effectiveness of oxygen as a treatment from early investigation as far back as 1950. In their original study, published in the Journal of the American

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