LessonnotesGH

SHS2 Biomedical Science · Semester 2, Week 8

Diagnostic Device

Lesson notes

Learning Objectives

Indicator: 2.3.1.LI.1 - Investigate the application of technology in the provision of healthcare.

By the end of the lesson, learners can:

  1. Recall at least five technologies used in the diagnosis, treatment, and prevention of diseases in humans.
  2. Categorise a given list of biomedical instruments into diagnostic devices and therapeutic devices with at least 80% accuracy.
  3. Explain how physiological measures such as blood pressure, heartbeat, temperature, and blood sugar level are used to detect abnormalities in the body.
  4. Describe at least three ways technology has improved healthcare delivery in Ghana, using examples from hospitals, clinics, or community health settings.
  5. Discuss the importance of technology in clinical diagnosis and how early detection of disease through technology can improve patient outcomes.

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Curriculum details

Strand
Biomedical Intervention (Strand 3)
Sub-strand
Diagnostic Device (3.1)
Content standard
2.3.1.CS.1 - Demonstrate an understanding of the concepts applied to build diagnostic devices. 2.3.1.LO.1 Describe the importance of technology in clinical diagnosis, the composition of diagnostic medical devices and explain basic principles relating to diagnostic medical device design.
Indicator
2.3.1.LI.1 - Investigate the application of technology in the provision of healthcare.
Suggested placement
Semester 2, Week 8 (Week 28 of the year)

Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.

Curriculum reference
NaCCA curriculum document, p. 70

Exemplars (from the NaCCA curriculum) 

Talk for Learning: Learners engage in a discussion on technologies available for the diagnosis, treatment and prevention of diseases in humans.
Exploratory Learning: Visit a hospital to observe a variety of biomedical instruments or watch pictures and videos of these resources.
Activity-Based Learning: Work in groups to categorize biomedical instruments into diagnostic and therapeutic devices. Examples of diagnostic medical devices to include ECG monitor, EEG monitor, sphygmomanometer, pulse oximeter, endoscope, ophthalmoscope, thermometer, imaging equipment (X-ray, ultrasound etc.), microscope, etc. Therapeutic devices include ventilator, artificial heart, pacemaker, infant incubator, muscle/nerve stimulator electrosurgery machine etc.
Talk for Learning: Explore the various physiological measures (blood pressure, heartbeat, temperature, blood sugar level, morphology by imaging, etc.) for diagnosis and how patterns and recorded values may be indicative of abnormalities.
Teaching and Learning Resources:
- Online resources
- Articles
- Reports
- Pictures
- Videos
- Charts
- Diagnostic medical device
- Flip chart
- Textbooks
Assessment (2.3.1.AS.1). The document marks these depth-of-knowledge levels for this indicator: Level 1 Recall; Level 2 Skills of conceptual understanding; Level 3 Strategic reasoning; Level 4 Extended critical thinking and reasoning.
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