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www.reference.com/article/can-heart-rate-chart-c8e9934c1a65ca82

Two online resources that provide heart rate charts are the American Heart Association and HPMC Occupational Medical Services (OMS). The American Heart Association provides a chart of average target heart zones for different age groups.

www.reference.com/article/resting-heart-rate-chart-eeea2e87bd9e37cb

A resting heart rate chart gives the average heart rates that people should have when they aren't exerting energy through physical activity or movement, according to the American Heart Association. The average heart rate for adults who are 18 years old or older is 60 to 100 beats per minute.

www.reference.com/article/target-heart-rate-chart-1049eab19b12c5fc

You can find your target heart rate as determined by your age on a chart provided by the American Heart Association. The target heart rate chart is available on the American Heart Association website.

www.reference.com/article/can-good-exercising-heart-rate-charts-online-5d026ca829f3b946

Good exercising heart rate charts are available at websites of the American Heart Association and HPM Corporation. The AHA explains how to determine if you are reaching an appropriate heart rate while exercising. HPMC shows how to find maximum heart rate and modify it for varying degrees of exercise

www.reference.com/article/can-heart-rate-chart-workouts-498c7126dd2fc5af

Heart rate workout charts are available online at Heart.org and Hanford.gov. People use heart rate workout charts to estimate and analyze the workload of the heart.

www.reference.com/article/calculate-variable-rates-f6e76f609759791

Variable interest rates are actually two rates added together. The first is a fixed rate called "margin" that is based on the credit worthiness of the borrower. The second rate varies and is tied to the movement of a specified index as stipulated in the loan contract.

www.reference.com/article/high-heart-rate-c820c903ace45086

A high heart rate, known as tachycardia, exists when a person's resting pulse exceeds 100 beats per minute, according to Mayo Clinic. The normal heart beat range for a healthy adult is between 60 and 100 beats per minute.

www.reference.com/article/causes-high-heart-rate-15cc945a977b8d88

The causes of a high heart rate include exercise, caffeine consumption, sudden stress, smoking and taking certain medications. In some cases, an elevated heart rate is a sign of heart disease, congenital heart abnormalities, electrolyte imbalances or drinking too much alcohol, reports Mayo Clinic.

www.reference.com/article/should-heart-rate-de185df773d1cf91

The normal resting heart beat for the average adult should range between 60 and 100 beats per minute, as stated by the American Heart Association. Trained athletes can have a lower resting heart rate that ranges between 40 to 60 beats per minute. There are many influencing factors that affect heart

www.reference.com/article/causes-fast-heart-rate-c5439dc09ae9a4e6

According to the American Heart Association, a heart rate of over 100 beats per minute is also referred to as tachycardia and occurs when the heart's electrical signals interfere with the sinoatrial node that is responsible for maintaining a balanced heart rate. Rapid heart rates can be triggered by