A design approach is a general philosophy that may or may not include a guide for specific methods. Some are to guide the overall goal of the design. Other approaches are to guide the tendencies of the designer. A combination of approaches may be used if they don't conflict.
Bradycardia can be caused by: 1  Changes in the heart that are the result of aging. 2  Diseases that damage the heart's electrical system. These include coronary artery disease, heart attack, and infections such as endocarditis and myocarditis. 3  Conditions that can slow electrical impulses through the heart.
As a result, you may experience these bradycardia symptoms: 1  Near-fainting or fainting (syncope). 2  Dizziness. 3  Weakness. 4  Fatigue. 5  Shortness of breath. 6  Chest pains. 7  Confusion or memory problems.