Coronary heart disease

• What is the function of the coronary arteries?

  They supply blood to the heart.
• What happens when coronary arteries become narrow?

  It reduces blood flow to the heart.
• What can cause the narrowing of coronary arteries?

  Build-up of fatty deposits.
• What is the purpose of a stent in coronary artery treatment?

  To keep the artery open and improve blood flow.
• What is the role of drugs in managing cholesterol levels?

  They lower blood cholesterol levels.
• What can happen if blood flow to the heart is reduced?

  It can cause death.
• What is the function of mechanical valves?

  To prevent blood clotting.
• What is the purpose of an artificial pacemaker?

  To control the heart rate using electrical signals.
• What is a potential treatment for heart failure?

  Heart transplant or heart & lung transplant.
• Why are artificial hearts used?

  To keep patients alive while waiting for a donor.
• What is a risk associated with organ transplants?

  Tissues are likely to be rejected.
• What do blood thinners do?

  They prevent blood from sticking and clotting.
• What complications can arise from using blood thinners?

  They can cause other complications.
• Where are heart surgeries typically performed?

  In a hospital.
• How do normal hearts compare to artificial hearts?

  Normal hearts work better and pump blood more effectively.
• What is the benefit of a heart transplant for patients?

  It allows patients to live a more normalized life.
• What is a risk associated with heart transplants?

  Risk of rejection.
• What is coronary heart disease?

  A condition caused by narrowed coronary arteries.
• What are biological waves in the context of heart function?

  They refer to electrical signals that regulate heartbeats.
• What is the purpose of an artificial pacemaker?

  To control the heart rate
• How does an artificial pacemaker function?

  It uses electrical signals to control the heart rate
• What are the key features of artificial pacemakers?

  • Implanted into the chest
  • Control heart rate
  • Use electrical signals
• When is an artificial pacemaker typically implanted?

  When the heart is beating irregularly