Samsung Galaxy S4 User Manual page 268

You should also check with your doctor if you have symptoms
suggestive of heart, lung, or other serious disease, such as:
•
Pain or discomfort in your chest, neck, jaw, or arms during physical
activity;
•
Dizziness or loss of consciousness;
•
Shortness of breath with mild exertion or at rest, or when lying down or
going to bed;
•
Ankle swelling, especially at night;
•
A heart murmur or a rapid or pronounced heartbeat;
•
Muscle pain when walking upstairs or up a hill that goes away when you
rest.
Finally, the American College of Sports Medicine recommends that
you see your doctor before engaging in vigorous exercise if two or
more of the following apply:
•
You are a man older than age 45 or a woman older than age 55;
•
You have a family history of heart disease before age 55;
•
You smoke or quit smoking in the past six months;
•
You have not exercised for three months or more;
•
You are overweight or obese;
•
You have high blood pressure or high cholesterol.
•
You have impaired glucose tolerance, also called pre-diabetes.
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