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Doctor insights on: What Does Bradycardia Do In The Body

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What does bradycardia do in the body?

What does bradycardia do in the body?

Slow Heart Rate: Bradycardia is a slow heart rate. This can have effects on some people when this slow heart rate means that their body does not receive enough oxygen rich blood. For other people, bradycardia does not cause symptoms or complications. ...Read more

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Dr. Kerrie Pinkney
312 doctors shared insights

Slow Heart Rate (Definition)

Slow heart rate is a symptom in which a person's heart rate (the number of heart contractions per minute) is less than normal for the average person of the same size, doing the same activities. For adults, slow heart rate usually means a rate below 50-60 beats per ...Read more


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When is bradycardia harmful to the body?

When is bradycardia harmful to the body?

It depends: Some people can tolerate a heart rate of 40 without problems especially athletes, however any heart rate less than 60 accompanied by symptoms of dizzyness, syncope or fatigue is considered harmful and may necessitate a pacemaker. ...Read more

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When is bradycardia useful for the body?

When is bradycardia useful for the body?

Angina pectoris: Most coronary blood flow occurs during diastole (when the heart is at rest). For patients with blocked arteries and chest pain, slowing the heart rate prolongs diastole allowing more time for blood to get to the heart. Beta blockers are used to slow the heart rate and are effective in controlling chest pain. ...Read more

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Is bradycardia harmful on the body?

Not usually: Only if accompanied by symptoms like enervation, dizziness, shortness of breath. If naturally occurring (no heart rhythm disturbance or medication adverse effect) and no symptoms, probably would simply observe. Otherwise, underlying conditions need to be sought and treated accordingly. Some may require a pacemaker if symptomatic and not responsive to conservative therapy. ...Read more

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Dysautonomia body over vasoconstricts in the brain causing reflex bradycardia and light headedness, midodrine makes worse, florinef lowers k. Help!

Dysautonomia body over vasoconstricts in the brain causing reflex bradycardia and light headedness, midodrine makes worse, florinef lowers k. Help!

Comments: You describe a somewhat peculiar constellation of vascular effects, and the medications selected may not be the most appropriate, if your blood pressure does not drop when standing. You need clarification, and would encourage a neurological and cardiological second opinions. Have you had a tilt table test? ...Read more

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What can relieve symptoms of bradycardia?

What can relieve symptoms of bradycardia?

A pacemaker: If people have symptomatic bradycardia ie dizzy light headedness etc. The may need a pacemaker. If pts heart rates are low around 30 beats per minute or have 3sec pauses or longer and aren't on any thing like beta blockers etc a pacemaker will help keep the heart rate at a programmed rate to prevent symptoms. ...Read more

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Does bradycardia progress?

Does bradycardia progress?

It can: Well there are different kinds of bradycardia and in general yes they can progress. In some patients the heart tends to get progressively slower as that patient gets older. ...Read more

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What is the most common cause of bradycardia?

What is the most common cause of bradycardia?

Medication: A slow heart rate can be normal in fit individuals at rest. Many medications, notably beta blockers, slow the heart rate. A slow heart rate can also be due to disease of the av node, which conducts impulses from the atria to the ventricles. This can be due to scarring from heart attack or aging, and is seen in some infections such as lyme disease and chagas disease. ...Read more

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Can bradycardia cause syncope?

Can bradycardia cause syncope?

Yes: Syncope is loss of consciousness due to transitory decline in blood flow to brain. This can be caused by irregular heart rate or rhythm or by alteration of blood volume or distribution. ...Read more

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