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A death trajectory is the pattern of dying when one is given a projected death date and there is limited to no medical recourse for the remaining existence of an individual's life. It is essentialy "the time between the commencement of dying and the arrival of death." The death trajectory is dependent on the cause of death, whether it be a sudden death, chronic illness, or the long, steady decline in health due to senescence. Death trajectory is analysed in two separate aspects: duration and shape. Duration refers to the length of time a patient has to live. It can be anywhere from instant death to several months. Shape refers to how that duration is then graphed. In other words, shape is “the course of dying, its predictability, and whether death is expected or unexpected”.
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Dying trajectories were first studied in the 1960s by two researchers, Barney Glaser and Anselm Strauss in an attempt to understand the end of human life with different ailments and cancer.
Sudden death trajectory
Sudden or premature death occurs when the death of an individual is not perceived to be imminent. In a premature death trajectory, an otherwise healthy and high-functioning individual will suddenly die without any observable indications of oncoming demise. These types of deaths may include fatal accidents or inconspicuous health issues like myocardial infarctions or a severe stroke. Deaths that align with a premature death trajectory may happen over the course of a few days or in a matter of seconds.
Chronic malady trajectory
The chronic malady trajectory occurs with types of death caused by autoimmune diseases such as HIV or other incurable illnesses. This process of death is characterised by "acute crisis" and intermittent recoveries, all of of which happens with an overall decline in health. The death trajectory projects emotional stress or turmoil, until the patient eventually, may become mentally and emotionally exhausted.
Natural death trajectory
A natural death trajectory is typically a long, steady decline due to old age. In these cases, the death trajectory is based on how the mind and body degenerate, including the speed of organ failure. In these cases, it is much easier to anticipate a person's death.
When someone has an estimated death date and a death trajectory, the patient's wellwishers generally drop curative care, and proceed to provide palliative or comfort care. Curative care refers to situations where the patient still feels it is possible to use current medical care to recover or become stable enough to carry on with life. Comfort care, or hospice care, is reserved for patients who acknowledge they will not be able to recover.