Top 20 Doctor insights on: Low heart rate dangerous

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Is it dangerous to have a low heart rate? How dangerous?

Is it dangerous to have a low heart rate? How dangerous?

Not per se: A low heart rate is not in itself dangerous. Many well conditioned athletes have low resting heart rates with excellent cardiac health. A low heart rate that associated with cardiac disease may be an entirely different story. Resting heart rates less than 30 or low rates associated with symptoms always need investigation. ...Read more

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Dr. Kerrie Pinkney
335 Doctors shared insights

Slow Heart Rate (Definition)

Slow heart rate, also called bradycardia, is defined as a resting heart rate (pulse) less than 60 beats per minute. Having a heart rate less than 60 is not necessarily abnormal. In fact, people in good cardiovascular shape have a low heart rate. People with certain heart conditions may take medications which lower the heart rate as one of ...Read more


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My dr said I have a low heart rate how dangerous is this. I have constant chest pains?

My dr said I have a low heart rate how dangerous is this. I have constant chest pains?

It depends: How low the rate is, and if you have symptoms such dizziness, fainting. Also I hope you had an ekg a stress tests and possible a 24 hour monitoring your heart rate. I cardiloogist has to examine you! ...Read more

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Is it dangerous to have a low heart rate for a term fetus in labor?

Is it dangerous to have a low heart rate for a term fetus in labor?

Depends: The fetal heart rate is expected to vary before and during labor. When contractions are strong, the stress on baby can alter the rate. A transient slowing during contractions with recovery between is expected. If it goes down low & altering mom's position some doesn't help it return, it can be a sign of fetal distress & lead to an urgent C-section. ...Read more

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Is a low heart rate normal?

Is a low heart rate normal?

Low heart rate: It depends on how low and how physically fit. Athletes can have heart rates in the 40's and be normal. ...Read more

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Is low heart rate a problem?

Is low heart rate a problem?

Possibly: If it causes symptoms of lightheadednes, dizziness, fatigue and /or low blood pressure. See your doctor. ...Read more

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Is a low heart rate while exercising healthful?

Is a low heart rate while exercising healthful?

Depends: Slow heart rate resting is not harmful and may indicate an athletic (healthy) physiology. Hr should increase, at least relatively, with exercise - failure to increase is a sign of conduction system disease (chronotropic incompetence). If associated with progressive loss of exercise capacity, treatment may be indicated. This can all be determined easily on a treadmill stress test. ...Read more

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What are the consequences of a low heart rate during nst?

What are the consequences of a low heart rate during nst?

Fetal distress, C/S.: Abnormally low fetal heart rate during non-stress testing of the pregnancy can lead to fetal distress/hypoxia/acidemia and necessitate urgent or emergent delivery via cesarean section. ...Read more

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What causes really low heart rate ranges between 30 and 50?

What causes really low heart rate ranges between 30 and 50?

Nodal dysfunction: If you have a slow heart beat you should be checked. It is possible you may have dysfunction in your conduction system of the heart. Some medications could be attributing factor. See your md. ...Read more

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What are the possible causes of a low heart rate during nst?

What are the possible causes of a low heart rate during nst?

Normal or...: I assume you mean the baby's heart rate. Drops can be normal, but can also represent a problem that may require that you be delivered immediately. Direct this question to your obgyn right away!

good luck! ...Read more

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Is a low heart rate while exercising useless in terms of benefit?

Is a low heart rate while exercising useless in terms of benefit?

Depends: If unable to augment the hr appropriately, this would be not beneficial. However if the hr stays low because the person is highly conditioned, then the slow hr suggest a good condition. ...Read more

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Magnesium good for low heart rate?

Magnesium good for low heart rate?

No: Magnesium is an essential mineral for normal cardiac conduction and acts as an anti-arrhythmic but will not speed up the heart. ...Read more

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What is a dangerously low heart rate for 80 year old women?

What is a dangerously low heart rate for 80 year old women?

Normal HR is: 60-100. Anything lower than 60 specially if associated with dizziness/unsteadiness, shortness of breath, chest pain or other symptoms will need fast evaluation. ...Read more

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How do doctors stabilize a really low heart rate in an e.R.?

How do doctors stabilize a really low heart rate in an e.R.?

Depends: It depends on how low the heart rate is and what symptoms like dizziness, low blood pressure. Medicines can be used to increase heart rate and blood pressure. Depending on the cause sometimes a temporary pacemaker is needed. ...Read more

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What is the medical explanation for low heart rate during exercise?

What is the medical explanation for low heart rate during exercise?

Several: There are several possibilities. If you're a seasoned athlete, it's due to improved stroke volume (blood ejected with each contraction) requiring a reduced heart rate to achieve a given cardiac output (the product of sv and hr). Other possibilities are: medications, vagal reactions, chronotropic incompetence, av nodal block, or sick sinus syndrome. Incidentally, typhoid fever can cause it too. ...Read more

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What is the simplest explanation for low heart rate during exercise?

What is the simplest explanation for low heart rate during exercise?

Heart rate: Two main reasons: excellent conditioning or beta blockers on board; there are others less frequent. ...Read more

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What are the negative effects, health wise, to having a low heart rate?

What are the negative effects, health wise, to having a low heart rate?

Depends how slow: A low (or slow) resting heart rate may be entirely normal particularly in highly conditioned athletes. Most people have a slower heart rate when sleeping as well. These slow heart rates likely have no negative health effects. In contrast, there are some individuals who have a dangerously slow heart rate often associated with abnormal heart rhythms (such as 3rd degree heart block) or other diseases. ...Read more

Heart Rate (Definition)

Heart rate is a measurement of the number of times a person's heart beats in one minute. Normal heart rates vary with a person's age and with excitement and exercise. Abnormal heart rates are too slow, too fast, and/or irregular (too much ...Read more