This isn’t normal tiredness at the end of the day. It feels overwhelming, sudden, and disproportionate. Even simple activities like walking, showering, or climbing stairs can be exhausting.
In narrowed arteries, the heart has to work harder, which deprives the body of energy long before chest pain appears.
3. Shortness of breath
Difficulty breathing – even without physical exertion – may indicate reduced blood circulation to the heart and lungs.
Those affected may experience shortness of breath when resting, talking, or lying down. This symptom often occurs weeks before a heart attack , but is often mistaken for anxiety or lack of physical fitness.
