Nursing Informatics

Usability Tests (Reading & Sharing Cont.)

  • Heuristic Evaluation or Heuristic Inspection Methods
    • the most popular of what are called “discount usability evaluation”
      • because they are typically easy to do, involve fewer than 10 experts, and are much less expensive than other methods.
    • the objective is to detect problems early in the design process, when they can be most easily and economically corrected.
    • they are called “heuristic” because evaluators assess the degree to which the design complies with recognized usability rules of thumb or principles, such as those proposed by Nielsen (1994) (retrieved from https://www.nngroup.com/articles/ten-usability-heuristics/)
      1. visibility of system status
      2. match between system and the real world
      3. user control and freedom
      4. consistency and standards
      5. error prevention
      6. recognition rather than recall
      7. flexibility and efficiency of use
      8. asthetic and minimalist design
      9. help users recognize, diagnose, and recover from errors
      10. help and documentation

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Nursing Informatics

Usability Testing (Reading & Sharing)

Usability: deals with specific issues of human performance during computer interactions for specific tasks within a particular contest.

  • refers to how well the information system product was designed for users to learn as well as to use.
  • refers to how the system allows users to carry out their tasks safely, effectively, and pleasantly.
  • is related to the human-centered design that is characterized by the active involvement of users and the clear understanding of user and task requirements

Usability testing: creating realistic clinical scenarios to which end users are asked to apply configured electronic tools, using the hardware that will be used in production.

The usability of a system can be measured by:

  • Effectiveness (can users successfully achieve their objectives?)
  • Efficiency (how much effort and resource are expended in achieving those objectives?)
  • Satisfaction (was the experience considered satisfactory?)

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Nursing Informatics

Ergonomics (Reading & Sharing)

Ergonomics is the science of designing a work environment so that it is convenient to use and does not prove injurious to health. It is used in the United States to describe the design and implementation of equipment, tools, and machines related to human safety, comfort, and convenience.

  • It is the study and design of a work environment that maximizes productivity by reducing operator fatigue and discomfort.
  • It considers physical stresses placed on joints, muscles, nerves, and tendons as well as environmental factors that can affect hearing and vision.
  • Poor setup of computer equipment leads to somatic complaints that include headaches, eyestrain, irritation, stress, fatigue, and neck and back pain.

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Nursing Informatics

Mobile Health (mHealth) Application (Reading & Sharing)

What is mHealth?

The National Institutes of Health (NIH) Consensus Group defined mHealth as “the use of mobile wireless communication devices to improve health outcomes, health care services, and health research”. It is a recent term used to encompass the use of mobile devices, such as mobile phones, patient-monitoring devices, PDAs, and other wireless devices, to support medical and public health practice.

mHEalth applications, include the use of mobile devices in collecting community and clinical health data, delivery of healthcare information to practitioners, researchers, and patients; real-time monitoring of patient vital signs; and direct provision of care (via mobile telemedicine). It can enhance diagnosis, help prevent diseases, improve treatments, improve accessibility to health care, and advance health-related research.

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Nursing Informatics

SNOMED CT – The Systematized Nomenclature of Medical Clinical Terms (a consistent way to describe medical disease, diagnoses, and symptoms)

SNOMED CT – The Systematized Nomenclature of Medical Clinical Terms

  • Provides the core medical terminology used in recording clinical data in the EHR. It is a globally recognized controlled healthcare vocabulary that provides a common language for electronic health applications.

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