atropine, which is the first-line drug treatment for bradycardiaĪll of these medications are given via intravenous (IV) infusion. Medications for bradycardia work to increase your heart rate and can include: These may be utilized when bradycardia is causing acute symptoms and isn’t due to a reversible cause, such as a medication side effect. There are also a few medications that may be used to treat bradycardia. Bradycardia is one of the main conditions for which a pacemaker may be recommended. This is an implanted medical device that stimulates heartbeats so that they occur at a regular rate and rhythm. It’s also possible that your doctor may recommend a pacemaker. For example, the medication levothyroxine can be used to manage hypothyroidism. Similarly, if an underlying condition is contributing to your bradycardia, your doctor will work to address that condition. If possible, they could also switch you to a different medication that doesn’t have bradycardia as a side effect. If a slow heart rate is due to the effect of a medication, it’s possible that your doctor may adjust your medication dosage. Bradycardia that’s mild or occasional may not require treatment. The treatment of bradycardia depends on what’s causing it. health conditions like hypothyroidism or sleep apnea. damage to your heart muscle due to conditions such as a heart attack, a pervious heart surgery, or myocarditis. It can also occur due to several of the factors discussed above, including: Sinus bradycardia can happen naturally due to the aging process. When your SA node sends out electrical impulses at a slower rate, it’s called sinus bradycardia. It initiates the electrical impulses that travel through your heart muscle, resulting in your heartbeat. The sinoatrial (SA) node is your heart’s natural pacemaker. blood pressure medications like beta-blockers and certain calcium channel blockers. sleep apnea, a condition where your breathing pauses when you’re asleepĪdditionally, some medications may cause bradycardia as a side effect. hypothyroidism, which happens when your thyroid produces too little thyroid hormone. an electrolyte imbalance, most specifically an imbalance of calcium or potassium. There are also several additional underlying conditions that may lead to bradycardia. damage to the heart’s electrical system from prior infection or inflammation. rheumatic fever, a potential complication of strep throat, that can lead to heart issues. pericarditis, a condition that involves inflammation of the sac surrounding your heart. myocarditis, a swelling of the heart muscle that may be caused by infections or autoimmune disease. congenital heart conditions, which are abnormalities in the heart that are present from birth. heart attack, in which blood flow to the heart is cut off, causing heart muscle to die. coronary artery disease, a condition where blood flow to the arteries of the heart is impaired. Some examples of heart-related conditions that may lead to the development of bradycardia include: When this occurs, it can interfere with the electrical signaling that coordinates your heartbeat. It’s possible for bradycardia to happen due to damage to the heart muscle. Potential underlying causes of bradycardia If you have any of these symptoms and a change in your heart rate, call 911 or seek emergency medical attention immediately. The following bradycardia symptoms may be a sign of a more serious condition: 
In certain situations, a slow heart rate could indicate a medical emergency. Recognizing a potential emergency situation They can help determine what may be causing your symptoms. If you’re having symptoms consistent with bradycardia, see a doctor.
exercise intolerance, which is when you tire quickly during physical activity. When symptoms are present, they may include: Many people with bradycardia don’t have any noticeable symptoms. 
This can affect your body’s ability to effectively carry out its normal processes and functions. A heart rate that’s too slow can mean that not enough oxygen-rich blood is reaching the organs and tissues in your body.
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