Mistake-proofing the Design of Health Care Processes. Figure 8.2 and 8.3

Figure 8.2. Laboratory instruments in the lab read the bar coding on specimen tubes to ensure positive identification of people and procedures

Photograph of a specimen tube with a barcode label on it.

Figure 8.3. The bar codes are laid out on the wall in close proximity, a design that is inattentive to human factors considerations

Photograph of a hand holding a barcode reader that is reading barcodes laid out on a wall. A line of red laser light is hovering in the gap between two bar codes, increasing the odds of reading the wrong bar code by mistake.

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