The Silent Threat: Understanding Aortic Stenosis

Not all heart conditions announce themselves with warning signs. Some, like aortic stenosis, progress quietly — until they become a life-threatening emergency.

Aortic stenosis occurs when the aortic valve narrows, restricting blood flow from the heart to the rest of the body. Over time, this forces the heart to work harder, eventually leading to heart failure if left untreated. What makes aortic stenosis especially dangerous is its slow and often silent progression. Many individuals attribute early symptoms — like fatigue, lightheadedness, or shortness of breath — to simply aging or stress.

In Canada, thousands of older adults live with undiagnosed aortic stenosis. Research shows that more than 50% of those with severe symptoms are not referred for timely treatment. Yet, when caught early, treatment options like valve replacement can dramatically extend life expectancy and improve quality of life.

At HeartWise Foundation, we are committed to breaking the silence around aortic stenosis. Through education, screening advocacy, and community outreach, we want every Canadian to understand the importance of regular heart health checkups — because early action saves lives.

Don’t wait for symptoms to worsen. Start the conversation with your healthcare provider today.