Coronary Chronic Total Occlusion (CTO)

A chronic total occlusion (CTO) occurs when a coronary artery (a vessel supplying blood to your heart) is completely blocked by heavy plaque build-up for more than three months. Symptoms of a CTO include:

  • Chest pain
  • Shortness of breath
  • General fatigue

Risk Factors

You could be at increased risk for CTO if you have

  • A history of smoking
  • Diabetes
  • Coronary artery disease
  • A history of heart attack
  • High cholesterol