What is a list / array — CCA-F Exam Prep

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REAL STORY A surgeon in scrubs reviewing a laminated checklist clipped to a clipboard. Operating room in the background, bright surgical lights. The checklist has 19 numbered items with checkboxes. Focused, serious mood.

A surgeon in scrubs reviewing a laminated checklist clipped to a clipboard. Operating room in the background, bright surgical lights. The checklist has 19 numbered items with checkboxes. Focused, serious mood.

In 2007, a simple checklist cut surgical deaths by 47%.

Dr. Atul Gawande studied 7,688 patients across 8 hospitals in 8 countries. The checklist had 19 items in a specific order: confirm patient identity, mark the surgical site, check allergies, verify blood supply.

Skip item 3 (check allergies) and the patient might get a blood product that kills them. Swap items 7 and 12 and the equipment isn't ready when the incision starts. Same items, different order, different outcome.