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Onyedikachi Onwurah
Onyedikachi Onwurah

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Context-Aware Healthcare AI Is More Than Feature Engineering

Healthcare machine learning often begins by transforming complex clinical information into structured features.

Age.

Laboratory values.

Diagnosis codes.

Medication history.

Vital signs.

Comorbidity scores.

This structure allows models to identify useful patterns.

But a challenge remains.

Healthcare information is contextual.

A laboratory result may mean something different depending on previous measurements.

A medication may have different implications depending on the indication.

A high-risk prediction may have different consequences depending on the patient's current care pathway.

This suggests that healthcare AI should increasingly focus on context-aware system design.

A simplified framework could be:

Patient data → Historical context → Current clinical context → Decision context → AI support → Human interpretation

Digital health can contribute additional context through patient-generated information and continuous monitoring.

Agentic AI may support context retrieval by gathering approved information relevant to a specific task.

However, retrieving more information can create another problem: information overload.

The system therefore needs relevance mechanisms.

The goal is not to provide every available piece of data.

It is to provide the information that could meaningfully affect the decision.

This is where healthcare AI engineering becomes closely connected to workflow design and human factors.

Context should not simply be stored.

It should be available when it matters.

The future of healthcare AI may therefore depend less on creating systems that know everything and more on creating systems that understand what matters now.

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