Digital Twin or Longitudinal Record? The Distinction Matters
The two terms get used interchangeably in healthcare marketing. They describe different things, with different evidentiary weight.
CAD CARE INSIGHTS · PRECISION MEDICINE
The two terms get used interchangeably in healthcare marketing. They describe different things, with different evidentiary weight.
A longitudinal health record assembles what actually happened — encounters, results, prescriptions — across time and providers. It is a data structure, and its accuracy depends on capture quality.
A clinical digital twin implies a validated predictive model of an individual's physiology, typically requiring its own clinical validation studies before it can be relied on for a decision.
Describing a longitudinal record as a digital twin borrows credibility the underlying work has not earned yet. The honest description is also the more useful one, because it tells a clinician exactly how much to trust it.
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