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.
Causes of Bradycardia. This section discusses 111 medical conditions causing Bradycardia. A simple discussion of these causes with additional information is below. Causes of Bradycardia: The following medical conditions are some of the possible causes of Bradycardia. There are likely to be other possible causes, so ask your doctor about your symptoms. Athlete - a slow heart rate can be normal in very physically fit athletes.