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For example, don’t use a constant field to store the price of a service, a product version number, or the brand name of a company. Don’t create a constant to represent information that you expect to change at any time. Constants can be numbers, Boolean values, strings, or a null reference. Constant fields and locals aren't variables and may not be modified.

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Finally, such caregivers must learn how to accept help and should not fear to admit that they cannot carry the burden of care by themselves.You use the const keyword to declare a constant field or a constant local. Family members who provide care must be aware that they, too, have emotional needs and can become angry, frustrated, and impatient and that they need help to learn to forgive themselves as well as the loved one they are caring for. Caregivers must be aware that the patient will have moments of lucidity, which should be treasured but not considered evidence that the patient is exaggerating or feigning his or her disease to obtain attention. Finding the correct balance between doing too much or too little may be difficult for the caregiver, who should recognize that the balance may shift day to day and that patience and flexibility are more helpful. The patient’s environment should be adjusted to provide needed safety. Written agreements and reminders may not be as useful as they would be in the care of other patients, for a demented patient may not remember what has been negotiated and agreed upon in the past. It may be better to redirect the conversation, asking the patient to talk about his mother, instead. Reality grounding is not necessary for such a patient thus, if the patient asks to see his mother (who is dead), reminding him of her death may reinforce the pain of that loss. Reassurance and encouragement are provided to assist the patient to act more independently. Tasks should be broken down into manageable steps.

Commands including the word “don’t” and questions beginning with “why” should be avoided.

Interaction and communication strategies should be adjusted to ensure that the message delivered is the one perceived (obtain attention, make eye contact, speak directly to the individual, match nonverbal communication and gestures to the message, slow the pace of speech, use declarative sentences, use nouns instead of pronouns). Daily routines should be adjusted to focus on the person rather than the task, e.g., the comfort of bathing rather than the perceived need to bathe in a certain way at a certain time. Caregivers can help the patient make optimal use of his or her abilities by reducing the adverse effects of other health conditions, sensory impairments, and cognitive defects while maximizing social and environmental factors that support functional capacity. Health care professionals should reinforce the patient's abilities and successes rather than disabilities and failures. A variety of nursing interventions may reduce the risk of inadvertently precipitating behavioral symptoms. Caregivers assist the demented with activities of daily living and with the cognitive and behavioral changes that accompany the disease. Patient careĭemented patients deserve respectful and dignified care at all stages of their disease. Some medications, e.g., donepezil, nemantidine, and tacrine, improve cognitive function in some patients. Etiologyĭementia may result from many illnesses, including AIDS, chronic alcoholism, Alzheimer disease, vitamin B 12 deficiency, carbon monoxide poisoning, cerebral anoxia, hypothyroidism, subdural hematoma, or multiple brain infarcts (vascular dementia). Patients become dependent for activities of daily living and typically die from complications of immobility in the terminal stage. Memory deficits, impaired abstract thinking, poor judgment, and clouding of consciousness and orientation are not present until the terminal stages depression, agitation, sleeplessness, and paranoid ideation may be present. The onset of primary dementia may be slow, taking months or years. See: Alzheimer disease Huntington chorea Parkinson disease table Symptoms

It must be distinguished by careful clinical examination from delirium, psychosis, depression, and the effects of medications. Dementia is somewhat more common in women than in men.

high in the very elderly: about 20% to 40% of those over 85 are demented. In the U.S., 4.5 million people are afflicted by dementia. The cognitive impairments diminish a person's social, occupational, and intellectual abilities. A progressive, irreversible decline in mental function, marked by memory impairment and, often, deficits in reasoning, judgment, abstract thought, registration, comprehension, learning, task execution, and use of language.