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Doctor insights on: When Is Bradycardia Considered Dangerous

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Is bradycardia dangerous?

Is bradycardia dangerous?

Possibly: Severe bradycardia can be dangerous, especially with heart rates approaching 30 or less. Symptoms can develop with heart rates below 50. Cause of bradycardia and rhythm should be determined. ...Read more

Dr. Kerrie Pinkney
320 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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How dangerous is sinus bradycardia?

How dangerous is sinus bradycardia?

Depends : Heart rates above 50 are usually well-tolerated. Once below 50 symptoms usually develop. Heart rates approaching 30s can be dangerous. Overall any slow heart rate that is associated with symptoms can be dangerous. ...Read more

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Is bradycardia dangerous even it's not an AV block? Or life threatening? And can this suddenly progress to getting worse? (sick sinus syndrome?)

Is bradycardia dangerous even it's not an AV block? Or life threatening?  And can this suddenly progress to getting worse? (sick sinus syndrome?)

Fainting: Even by itself, the slowed heart rate could lead you to pass out, which is certainly dangerous if you're driving for example. That being said, as you suggested, bradycardia could be indicative of a greater underlying process which would require elucidation. ...Read more

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Can having autonomic dysfunction and taking 20 mg Paxil (paroxetine) be dangerous? Have problems with bradycardia and tachycardia. Got effect of Paxil (paroxetine) after 5 min!

Can having autonomic dysfunction and taking 20 mg Paxil (paroxetine) be dangerous? Have problems with bradycardia and tachycardia. Got effect of Paxil (paroxetine) after 5 min!

Yes trouble: The effects on blood pressure have been reported to be inconsistent. Cardiovascular side effects have frequently included palpitation (2% to 3%), vasodilation (2% to 4%), hypertension (2%), and tachycardia (including torsade de pointes). Bradycardia, hematoma, hypotension, postural hypotension, syncope, angioedema, angina pectoris, nodal arrhythmia, atrial fibrillation, bundle branch block, . ...Read more

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What is bradycardia?

What is bradycardia?

Bradycardia: Bradycardia is a heart rate less than 60 beats per minute by definition. There are many kinds of bradycardia. ...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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Why does bradycardia happen?

Why does bradycardia happen?

Bradycardia: Bradycardia, in adults (not in children) is defined as heart rate slower than 60 beats per minutes. It can be perfectly normal in people who are athletic. For example, marathon runners can have resting heart rate in 40s or even lower. It is, generally, pathological, if it leads to symptoms of dizziness, lightheadedness or fainting. If it causes extreme symptoms, a pacemaker is needed. ...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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What are causes of bradycardia?

What are causes of bradycardia?

It depends: Bradycardia indicates that the heart rate is too slow (< 60 BPM in adults). It may be associated with a normal electrical impulse (such as sinus bradycardia in a well-trained athlete or during sleep) or an arrhythmia (abnormal electrical impulse). Some of the more common abnormal rhythms associated with bradycardia include atrioventricular block, sick sinus syndrome, and junctional rhythm. ...Read more

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What is symptomatic bradycardia?

Bradycardia: When the heart rate is slow enough to cause lightheadedness, weakness, fatigue, and perhaps shortness of breath, the bradycardia is symptomatic. ...Read more

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