![]() ![]() Cardiac troponin testing: A cardiac troponin test is used to determine blood levels of troponin, a type of protein found in the heart muscles that indicates damage to the heart.Toxicology screening: A toxicology screen checks for drugs or other chemicals in your blood that could contribute to sinus bradycardia.Sleep monitoring: Sleep monitoring can be used to detect sleep apnea that may be causing bradycardia, especially at night.Blood tests: These tests can help detect whether things like an electrolyte imbalance, an infection, or a condition like hypothyroidism may be causing your condition.This can help a doctor understand how your heart rate responds to physical activity. Stress testing: A stress test monitors your heart rate while you exercise.You may need to wear the device for a few days or sometimes longer.Ī few other tests may be performed as part of the diagnostic process. Because of this, a doctor may ask you to wear a portable ECG device or “arrhythmia monitor” to record your heart’s activity. It delivers results as a wave pattern.īradycardia may not occur while you’re in the doctor’s office. This test measures the electrical signals that pass through your heart using several small sensors attached to your chest. They may ask you about your symptoms, what medications you’re currently taking, and if you have any underlying health conditions.Ī doctor uses an electrocardiogram (ECG) to detect and characterize bradycardia. To diagnose sinus bradycardia, a doctor typically first conducts a physical exam. Risk factors for heart disease may include: sick sinus syndrome or sinus node dysfunction, which can occur as the electrical system of the heart agesīecause bradycardia can be caused by damage to the heart, factors associated with heart disease may also be linked to a higher risk of sinus bradycardia.certain medications, including beta-blockers, calcium channel blockers, or lithium.infections such as Lyme disease or complications from infections, such as rheumatic fever.underlying conditions, such as obstructive sleep apnea and underactive thyroid, or hypothyroidism.electrolyte imbalance, particularly of potassium, magnesium, or calcium.conditions that cause inflammation around the heart, such as pericarditis or myocarditis.a congenital condition (present at birth).damage that occurs to the heart through things like aging, heart surgery, heart disease, and heart attack.Potential causes of sinus bradycardia can include: Many possible factors can cause this to occur. Sinus bradycardia happens when your sinus node generates a heartbeat fewer than 60 times in a minute. Some possible complications from this include: Sinus bradycardia can cause problems if the heart isn’t efficiently pumping blood to the rest of the body. For example, older adults may develop a sinus node that doesn’t work to generate electrical impulses reliably or fast enough. But it can also be a sign of a failing electrical system. Sinus bradycardia can be a sign of a healthy heart. For example, in someone with sinus arrhythmia, the timing between heartbeats may vary when they inhale and exhale.īoth sinus bradycardia and sinus arrhythmia may commonly occur during sleep. Sinus arrhythmia happens when the timing between sinus heartbeats is irregular. Sinus bradycardia can also occur along with sinus arrhythmia. Though it can happen to anyone, it’s more common in older adults. It can also occur during sleep, particularly when you’re in a deep sleep. For example, healthy young adults or endurance athletes can have sinus bradycardia. In some people, the heart can still pump blood efficiently with fewer beats per minute. Sinus bradycardia doesn’t always indicate a health problem. ![]()
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