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Bradycardia, or a slow hear rate, can result from being in good physical condition or from underlying health problems. Very fit, young adult athletes often have heart rates lower than the normal adult range of 60 to 100 beats per minute, according to WebMD.


Typical symptoms of a low heart rate include weakness, dizziness, memory problems and shortness of breath, according to Mayo Clinic. These symptoms occur due to an insufficient supply of oxygen to the brain and other vital body organs.


In adults, a normal resting heart rate may be anywhere between 60 and 100 beats per minute, according to Mayo Clinic. In general, people with lower heart rates have healthier cardiovascular systems.


A slow heart rate can indicate that something disrupted the electrical impulses that control the heart's rhythm, according to Mayo Clinic. A heart rate under 60 beats per minute, called bradycardia, is also normal in some healthy, physically active adults and can be normal during very deep sleep, no


Effects of slow heart rate, or bradycardia, include dizziness, shortness of breath, tiredness and chest palpitations, according to WebMD. People who have slow heart rate may also feel confused or faint.


When a resting heart beats less than 60 times per minute, it is a lower-than-normal heart rate, called bradycardia, states WebMD. A low heart rate can be a sign of fitness, as in athletes and healthy young adults, or a sign of a problem with the heart's electrical system.


If a persons's heart rate is lower than 60 beats a minute due to a fault in the heart’s natural pacemaker, the risks include dizziness, fatigue, chest pains, shortness of breath, fainting, seizures or death, reports WebMD. When there are no other underlying conditions, having a low heart rate, also


In certain cases, low heart rate, or bradycardia, is dangerous, according to WebMD. It sometimes indicates a glitch in the heart's electrical system. If the bradycardia is severe, the heart does not pump enough blood for the body to carry out its normal functions.


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.


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.