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Biomedical subjects

G R Hall

Publications and source records attributed to G R Hall.

9 recordsLinked to original sources

Whole disease care planning: fitting the program to the client with Alzheimer's disease.

Care of the person with a chronic dementing illness is best approached from a conceptual perspective. As the "whole disease care planning" model demonstrates, care is logically derived from knowledge of the client's premorbid characteristics, and intervention strategies develop from following the individual's daily routine and simplifying it as the disease progresses. Although it is impossible to discuss the entire scope of care planning for demented adults in a brief article, this information can help nurses determine which intervention strategies to pursue based on the sociocultural background of clients and their level of functional loss. The desired outcomes at all levels of care include maximizing the potential for safe function by controlling for excess disability and providing appropriate levels of assistance; participation in activities as desired by the client; and minimizing discomfort and maximizing expressions of comfort.

Activities of Daily Living

Care of the patient with Alzheimer's disease living at home.

Although the majority of people with Alzheimer's disease and related disorders are cared for in the home for most of their illness, there are few resources available on a consistent basis for nursing interaction. Nurses employed in a variety of settings provide ongoing information and support for families and caregivers in order to provide well-informed care. Because of the complexity of symptom presentation and care, the use of a simple conceptual model can be a valuable aid, helping families to understand behavioral alterations. The evaluation of behaviors as stress related assists both families and caregivers in determining the cause and effect of activities and environment to assist in enhancing comfort and life quality for both.

Aged

Stem corrections for ionization chambers.

Ionization chambers often exhibit a stem effect, caused by interactions of radiation with air near the chamber end, or with dielectric in the chamber stem or cable. These interactions contribute to the apparent measured exposure. To determine the stem efffect for several common ionization chamber systems, exposures were measured with TLD capsules placed at the center of 60Co fields of various sizes. These exposure measurements then were repeated with various ionization chamber systems, including two Victoreen R meters (25- and 100-R chambers), a Capintec 192 dosimeter with a Farmer 0.6-cm3 probe, a PTW transit dose probe, and an EG and G IC-18 probe with a Keithley 610-B electrometer. From a comparison of TLD and ionization chamber measurements of the variation in exposure rate with field size, stem corrections for the different systems were determined within 1%.

Cobalt Radioisotopes