By L. Umul. Columbia Southern University.
The popular resonance for appeals for greater health awareness reflects the anxieties and insecurities that particularly afflict the younger and more prosperous sections of society raloxifene 60 mg overnight delivery women's health clinic in san antonio. To an older and less affluent generation order raloxifene 60 mg mastercard pregnancy varicose veins, these campaigns simply confirm the shift of the health service, as well as other institutions in society, away from any real concern for their needs. The positive response to official public health documents, such as Saving Lives and earlier health promotion initiatives, from the medical profession and the media in general, indicates the widespread acceptance of the basic assumptions of these programmes. But, aside from the specific proposals, some questions arise concerning the underlying principles. We can begin by noting a striking paradox: at a time when, by any objective criterion, people enjoy better health than at any time in human history, the government appears driven to ever greater levels of intervention to improve people’s health. Take life expectancy: the commitment to increase it is the first of the ‘aims’ proclaimed by the White Paper. But why should this be the ultimate target of medical science, let alone of government policy, least of all at a time when the increasing longevity of the population has become a widely acknowledged social problem? A boy born in Britain today can expect to live until he is nearly 75; a girl until over 80. Life expectancy has increased by more than 30 years over the past century and by around a decade since the Second World War, apparently without the benefit of government-sanctioned measures of health improvement. It is clear that we have not only exceeded the 2 INTRODUCTION biblical lifespan of ‘three score and ten’ but that more and more of us are reaching closer and closer to the biological limit of the human species. There is much scientific debate about whether further increase in life expectancy is possible. For many of my patients, the prospect of prolonging their stay in a world that has little time or respect for them has little appeal. The controversy over euthanasia and the romanticisation of suicide among young men (such as rock stars Kurt Cobain and Michael Hutchence) reflect a deeply pessimistic current in contemporary society. The desire simply to live longer by taking health precautions may be interpreted as another way of responding to the perception that life in modern society lacks meaning and purpose. The promoters of health awareness will object that their emphasis is not so much on ensuring that people live longer as on preventing premature deaths. They will point out that, even though there is an average life expectancy of 75– 80, more than 90,000 people die every year in the UK before the age of 65. Furthermore, some 32,000 of these deaths are from cancer and 25,000 from heart disease and strokes, many of which could have been prevented. In this context, the concept of prevention is abused: death cannot be prevented, only postponed. Unfortunately, given the current state of medical science, death can generally be postponed only for a relatively short time by relatively intensive preventive measures. In the nineteenth century, public health measures to improve sanitation and housing played a decisive role in curtailing the epidemics of infectious diseases that devastated the urban poor. Over the past two decades, proponents of the ‘new public health’ have emphasised the promotion of a healthy lifestyle as the key strategy to combat the modern epidemics of heart disease and cancer. The central weakness of the new public health is the fact that the scope for significant postponement of death from the major causes of premature mortality by preventive measures is limited, though the costs are often substantial. Thus, for example, the increase in average life expectancy to be gained from a 10 per cent reduction in the level of serum cholesterol in the population at large (a much vaunted target of the 1992 Health of the Nation White Paper, though dropped in the 1999 document) is between 2. However, even to achieve this degree of reduction in cholesterol would require either drastic dietary modification or long-term drug treatment (with its attendant side- effects). Now it is true that the fact that old people live longer does not necessarily mean that they suffer worse health. However, it is also true that there is a tendency for the prevalence of common chronic degenerative conditions— heart disease, stroke, cancer, osteoarthritis, diabetes, dementia—to increase with age. What is by no means clear is the contribution of the various preventive measures favoured by the government to improving the quality—as distinct from the duration—of people’s lives. Indeed it may well be the case that an old person’s enjoyment of a cigarette, a cream bun and a bottle of Guinness is more important to them than the extra few weeks they might spend in a life of miserable abstinence. A further aim of government public health policy is to ‘narrow the health gap’ between rich and poor by concentrating its efforts on improving the health of the ‘worst off in society’. Here is another paradox: the government and the medical profession have become more preoccupied with the relationship between inequality and health at a time when social differentials in health are less significant in real terms than ever before. No doubt it is true that people who are better off are healthier and that the poor are sicker. A vast edifice of epidemiological data has been erected in recent years substantiating these differentials in great detail in relation to every disease and health indicator.
Guide you in ways that will assist you to make good use of the information you create through your evaluative activities purchase raloxifene 60mg overnight delivery women's health center metro pkwy. Arm you with ideas on how to improve the practice of evaluation in your institution generic 60mg raloxifene mastercard pregnancy facts. In our experience, as many difficulties in evaluation are created by the implementation of poor policies and practices as by the processes of collecting and presenting evaluative information. Just as the ways we go about assessing our students will directly influence their learning behaviours, so too will the ways institutions evaluate their teachers drive teacher beha- viour. For example, the strong emphasis on research in many universities is, in part, a direct consequence of the way we evaluate and reward this academic activity by promoting people on the basis of their research output and grant income generation. This may compete with activities required to perform teaching duties at a high level. Before we address these matters in more detail, we want to outline the context in which we are presenting ideas to you and to clarify some important concepts. It is to do with finding out from our students about the quality of their learning and obtaining information about the effectiveness of our teaching. We shall be suggesting some ideas about this after we have briefly reviewed another important side of evaluation - accountability. Evaluation and accountability One of the most dramatic shifts in higher education practice in the past decade has been the move towards account- ability. By‘accountability’ we mean a demand to provide clear evidence of what is being done in higher education and of the outcomes of learning and teaching. This evidence is then used in a variety of ways, one of which of major interest to you is decisions about academic promotions and contracts. At the national level, governments are generally under pressure to account for the way public funds are used and so exert a corresponding pressure on institutions to improve their effectiveness. Owners and trustees exert similar pressures in the non-government sector of higher education. Institutions are thus required to gather data about learning and teaching and present it as evidence for their claims of effectiveness and quality. Institutions, in turn, have exerted accountability demands onto faculties, teaching departments and individuals. They commonly require that courses be evaluated on a regular basis and that teachers evaluate their teaching and use the information obtained for both the improvement of teaching and of courses. Evaluation: some definitions and principles Evaluation is a process of obtaining information for judgement and decision making about programmes, courses and teachers. Assessment, a term which is sometimes used interchangeably with evaluation, is about obtaining information for judgement and decision making 189 about students and their learning. However, the results of an assessment of student learning is a very important part of evaluation. We are sure you will be familiar with some of the ways commonly used to gather information – questionnaires and interviews for teaching evaluations, and assignments and examinations to assess student learning. Strategies for judgement and decision-making are less well-developed, however, and we will look at these later in the chapter. This is intended to assist in change, development and improve- ment of teaching. This is used to make decisions such as whether to promote or re-appoint a teacher. Whatever the intentions of an evaluation, you will find it useful to keep in mind that there are several sources of evaluative information and methods you can use to get this information. For example, if you are particularly interested in the students’ experience, you may decide to use several different methods including diaries, ques- tionnaires and focus groups. Space does not allow us to explore all of these sources and methods, which of course can be used in a wide range of combinations. For more help, we recommend you consult someone in your institution’s teaching unit or review the references provided at the end of the chapter. However, in deciding among the options in the table, you need to be aware that two fundamental characteristics of evaluation are validity and reliability.
It has been demonstrated that high pressure exists at the interfaces between the board and the occiput purchase raloxifene 60 mg free shipping menstrual knitting, scapulae order 60mg raloxifene women's health healthy food, sacrum, and heels. It is generally recommended that the spinal board is removed within 30 minutes of its application whenever possible. If full splintage is required following removal of the spinal board, especially for transit between hospitals, use of a vacuum mattress is recommended. This device is contoured to the patient before air is evacuated from it with a pump. The vacuum causes the plastic beads within the mattress to lock into position. Interface pressures are much lower when a vacuum mattress is used and patients find the device much more comfortable than a spinal board. Paediatric vacuum mattresses are also available and they may be used at the accident scene. A specific clinical problem in spinal cord injury is the early diagnosis of intra-abdominal trauma during the secondary survey. This may be very difficult in patients with high cord lesions (above the seventh thoracic segment) during the initial phase of spinal shock, when paralytic ileus and abdominal distension are usual. For secure immobilisation together with the flaccid paralysis, means that the classical during transportation, forehead and collar tapes should be applied. The signs of peritoneal irritation do not develop but pain may be referred to the shoulder from the diaphragm and this is an important symptom. When blunt abdominal trauma is suspected, peritoneal lavage or computed tomography is recommended unless clinical concern justifies immediate laparotomy. Abdominal bruising from seat belts, especially isolated lap belts in children, is associated with injuries to the Box 2. By examining the dermatomes and myotomes in this way, the level and completeness of the spinal cord injury and the presence of other neurological damage such as brachial plexus injury are assessed. The last segment of normal spinal cord function, as judged by clinical examination, is referred to as the neurological level of the lesion. This does not necessarily correspond with the level of bony injury (Figure 5. Traditionally, incomplete spinal cord lesions have been defined as those in which some sensory or motor function is preserved below the level of neurological injury. The American Spinal Injury Association (ASIA) has now produced the ASIA impairment scale modified from the Frankel grades (see page 74). Incomplete injuries have been redefined as those 8 Evacuation and initial management at hospital associated with some preservation of sensory or motor function Box 2. This is determined by the presence of sensation both Biceps jerk C5,6 superficially at the mucocutaneous junction and deeply within Supinator jerk C6 the anal canal, or alternatively by intact voluntary contraction of Triceps jerk C7 the external anal sphincter on digital examination. ASIA also Abdominal reflex T8–12 Knee jerk L3,4 describes the zone of partial preservation (ZPP) which refers to Ankle jerk L5,S1 the dermatomes and myotomes that remain partially innervated Bulbocavernosus reflex S3,4 below the main neurological level. The exact number of Anal reflex S5 segments so affected should be recorded for both sides of the Plantar reflex body. The term ZPP is used only with injuries that do not satisfy the ASIA definition of “incomplete”. The muscles tested by ASIA are chosen because of Spinal reflexes after cord injury the consistency of their nerve supply by the segments indicated, Note: and because they can all be tested with the patient in the Almost one third of patients with spinal cord injury examined within supine position. The muscles not listed on the ASIA Standard Plantar reflex after cord injury Neurological Classification form, with their nerve supply, are as follows: Distinguish between: • Delayed plantar response—present in all complete injuries Diaphragm—C3,4,5 • Normal plantar response Shoulder abductors—C5 Supinators/pronators—C6 Wrist flexors—C7 Box 2. No sensory or motor function is preserved in the Hip adductors—L2,3 sacral segments S4–S5 Knee flexors—L4,5 S1 B Incomplete. Motor function is preserved below the neurological Spinal shock level, and the majority of key muscles below the neurological level have a muscle grade less than 3 D Incomplete. Motor function is preserved below the neurological After severe spinal cord injury, generalised flaccidity below the level, and the majority of key muscles below the neurological level of the lesion supervenes, but it is rare for all reflexes to be level have a muscle grade greater than or equal to 3 absent in the first few weeks except in lower motor neurone E Normal. The classical description of spinal shock as the period following injury during which all spinal reflexes are absent should therefore be discarded, particularly as almost a third of patients examined within 1–3 hours of injury have reflexes present.
10 of 10 - Review by L. Umul
Votes: 171 votes
Total customer reviews: 171