Lockheed's 1960s MIS-I Became the First Hospital-Wide Digital Records System
*The IEEE has marked the Medical Information System developed by Lockheed and El Camino Hospital as a milestone in the shift from paper charts to electronic health records.*
The recognition
The IEEE designated the Medical Information System, known as MIS-I, an official milestone. The system was the first to run across an entire hospital and replaced paper charts for core clinical and administrative tasks.
What changed
Before MIS-I, hospitals recorded patient data on paper. Lockheed Missiles and Space Co., working with El Camino Hospital in Mountain View, California, built MIS-I in the 1960s. Doctors and nurses used it to admit patients, order lab work and imaging, schedule follow-up appointments, and generate hospital bills.
How it worked
Staff accessed the system through terminals rather than paper forms. The platform handled the full cycle of patient information inside one facility. A 1973 article described these functions in detail and confirmed that the software supported both clinical orders and billing.
Modern electronic health record platforms such as AthenaOne, Epic, and Oracle Health trace their lineage to this early work. Many patients now view their records from home because the underlying model of structured digital data first proved viable at El Camino Hospital.
Why it matters
Hospitals adopted electronic records only after the technical and workflow problems had been solved at scale. MIS-I showed that a single computer system could replace paper across admissions, diagnostics, scheduling, and finance without collapsing daily operations. That demonstration removed the largest practical objection to digitization and set the pattern still used today.
The milestone citation therefore records not a single invention but the moment when paper charts ceased to be the default record in at least one working hospital.
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