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A F Naylor

Publications and source records attributed to A F Naylor.

18 recordsLinked to original sources

A strategy for the progressive introduction of picture archiving and communication systems for a radiology department.

An example of strategy for the progressive introduction of picture archiving communication systems (PACS) into a complete global image management system for a Department of Radiology has been developed and quantitatively examined. In general the strategy is based on the earliest reasonable implementation consistent with the evolution of the usage patterns and the state of the technology and its economics. The progressive implementation schedule and the associated numerical estimates of memory requirements in this paper are based on a series of qualitative and quantitative assumptions. The development of the projected strategy and schedule suggests that a time period of 1 1/2 to 2 decades would be required for an aggressive institution to achieve an operational global PACS system.

Radiology Information Systems↗

Radiology department design to accommodate the future introduction of global PACS.

In the light of the continuing development of pictorial archiving and communication systems (PACS) and image management and communications (IMAC) systems it is appropriate to consider the provision that should be made in the design of a new or renovated department of radiology to accommodate these new technologies at either an earlier or later date. This paper considers three particular aspects of the influence of PACS on future department design: (1) the requirement for either more or less total department gross square feet, (2) the provision for the specific allocation of spaces at certain locations for PACS equipment and functions, and (3) the provision for dedicated pathways for fiber optic communications among the many locations in the department where PACS components would be located.

Hospital Design and Construction↗

Sequential analysis of spontaneous abortion. II. Collaborative study data show that gravidity determines a very substantial rise in risk.

Evidence from more than 14,000 reproductive histories in the Collaborative Perinatal Project of the National Institute of Neurological and Communicative Disorders and Stroke indicates that the risk of spontaneous abortion increases considerably with gravidity. Maternal age, memory errors, and sampling bias related to recurrence risk do not account for the trend. Clustering, or tendency for abortions to follow one another, occurs in histories which include live births.

Abortion, Spontaneous↗

Intellectual development of children from interracial matings.

Interracial offspring of white mothers obtained significantly higher IQ scores at 4 years of age than interracial offspring of Negro mothers, suggesting that environmental factors play an important role in the lower intellectual performance of Negro children.

Black or African American↗