Next: Diagnosis & Tests for Sinus bradycardia

Causes of Sinus bradycardia

Contents

Sinus bradycardia: Introduction
Causes of Sinus bradycardia
Drugs/substances (3 causes)
Complication causes
Causes of symptoms
Related cause information

Causes of Sinus bradycardia

Sinus bradycardia is due to a block in the action potential from the sinus node to the atria (sick sinus syndrome), most often of unknown cause. Secondary causes include structural heart damage, environmental factors, infection, sleep apnea and low blood sugar.

Causes of Sinus bradycardia (Diseases Database):

The follow list shows some of the possible medical causes of Sinus bradycardia that are listed by the Diseases Database:

Source: Diseases Database

Sinus bradycardia: Related Medical Conditions

To research the causes of Sinus bradycardia, consider researching the causes of these these diseases that may be similar, or associated with Sinus bradycardia:

Sinus bradycardia: Causes and Types

Causes of Broader Categories of Sinus bradycardia: Review the causal information about the various more general categories of medical conditions:

Sinus bradycardia as a complication of other conditions:

Other conditions that might have Sinus bradycardia as a complication may, potentially, be an underlying cause of Sinus bradycardia. Our database lists the following as having Sinus bradycardia as a complication of that condition:

Hypothyroidism

Sinus bradycardia as a symptom:

Conditions listing Sinus bradycardia as a symptom may also be potential underlying causes of Sinus bradycardia. Our database lists the following as having Sinus bradycardia as a symptom of that condition:

Distichiasis -- heart and vasculature anomalies

Medications or substances causing Sinus bradycardia:

The following drugs, medications, substances or toxins are some of the possible causes of Sinus bradycardia as a symptom. This list is incomplete and various other drugs or substances may cause your symptoms. Always advise your doctor of any medications or treatments you are using, including prescription, over-the-counter, supplements, herbal or alternative treatments.