Developments in Diagnosis

• What is the primary purpose of blood tests?

  To diagnose illnesses
• How did blood tests first come into use?

  To test blood groups before transfusions
• What advantage do blood tests provide to doctors?

  More accurate diagnosis and clearer information
• How can blood tests help assess heart attack risk?

  By checking cholesterol levels
• What genetic conditions can blood tests help diagnose?

  Haemophilia and cystic fibrosis
• Which types of cancer can blood tests indicate?

  Ovarian, prostate, and breast cancer
• What are the benefits of monitoring devices for symptoms?

  • Allow doctors and patients to monitor symptoms
  • Provide real-time health data
  • Enable better management of chronic conditions
• When were blood pressure monitors invented?

  In the 1880s and 1890s
• What do blood pressure monitors help identify?

  Causes of high blood pressure
• When were blood sugar monitors introduced?

  In the mid-20th century
• Who benefits from using blood sugar monitors?

  People with diabetes
• What significant change occurred in the 20th century regarding health monitoring?

  • Use of monitoring devices at home
  • Greater control over personal health
  • Increased patient engagement in health management
• What can doctors see more of with medical scans?

  More of the body
• When did the use of medical scans begin?

  In 1895
• Who discovered X-rays?

  Wilhelm Röntgen
• How did X-ray images improve in 1913?

  With the invention of the Coolidge tube
• What technology allowed doctors to use ultrasound scanning?

  Advances in computers
• How does ultrasound scanning create images?

  By using high frequency sound waves
• What do ultrasound sound waves bounce off to create images?

  Patient’s organs and tissues
• When were CT scans invented?

  In 1972
• Who invented CT scans?

  Godfrey Hounsfield
• What do CT scans use to make detailed images?

  X-rays and a computer
• When did MRI scans become widely used?

  In the 1980s
• What do MRI scans use to construct images?

  Powerful radio waves and magnetic fields
• What are the benefits of improvements in medical scan technology?

  • Provides detailed images of the body
  • Enables early intervention in diseases
  • Increases effectiveness of early treatment
  • Higher chance of treatment success