Heart Rate That Goes From Fast to Slow Then Fast Again

Ill Sinus Syndrome

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What is sick sinus syndrome?

Ill sinus syndrome (SSS) is a disease that affects the heart's natural pacemaker (the SA or sinoatrial node), located in the center'southward upper right sleeping room (correct atrium). With SSS, the SA node becomes damaged, and tin no longer generate normal heartbeats at the normal rate. This may be a result of aging, or other health conditions that damage the SA node over time. Or it may be due to certain medicines. Equally a result, heartbeats may be too boring. Sometimes SSS is linked to other weather condition that cause irregular heartbeats (arrhythmias) that lead to a fast heart charge per unit. This combination of fast and slow centre rhythm is called tachy-brady syndrome.

What causes sick sinus syndrome?

Any condition that can cause center impairment can damage the SA node. This includes:

• Coronary artery illness
• Past heart attack
• Atrial fibrillation
• Heart failure or cardiomyopathy
• Taking sure medicines such every bit beta blockers, calcium channel blockers, and digoxin, and medicines to treat arrhythmias
• Astringent hypothyroidism
• Inflammatory conditions that involve the center. These include rheumatic fever, Chagas affliction, pericarditis, and myocarditis.
• Infiltrative heart diseases such equally sarcoidosis, amyloidosis, scleroderma, and hemochromatosis
• Electrolyte problems such as high potassium levels
• Rare diseases that run in the family
• Trauma

Hypothyroidism, hypothermia, and electrolyte bug by and large can be reversed.

Aging is also linked to loss of sinus node function and the development of SSS.

Who is at risk for ill sinus syndrome?

Sick sinus syndrome affects men and women equally, and tin can occur at any historic period. But most cases of SSS occur in people over age lxx. This is because aging tends to slow the heart rate and lower SA node function.

You are at greater risk for SSS if yous have whatever of these:

• Coronary artery affliction or history of heart assault
• Heart failure or cardiomyopathy
• Atrial fibrillation
• Inflammatory conditions that can involve the heart such as rheumatic fever, pericarditis, Chagas disease, or myocarditis
• Infiltrative centre diseases such as sarcoidosis, amyloidosis, hemochromatosis, or scleroderma
• Hypothyroidism
• Rare diseases that run in the family
• Trauma

You are also at greater risk of you lot take medicines such as beta blockers, calcium aqueduct blockers, or digoxin, or medicines to treat arrhythmias.

What are the symptoms of sick sinus syndrome?

You may have sick sinus syndrome with few or no symptoms. If y'all do have symptoms, they may include:

• Dizziness
• Fainting
• Shortness of breath, especially with exertion
• Severe tiredness (fatigue) and weakness

How is ill sinus syndrome diagnosed?

Your healthcare provider may think you have SSS based on your symptoms, but they are common in many other diseases. To diagnose your status, your healthcare provider volition do an electrocardiogram (ECG). This is a machine that records your heart's rate and rhythm. If you lot don't have symptoms at the time of your ECG, it may look normal.

Other possible tests include:

• An ECG while you walk on a treadmill (stress test).
• A Holter monitor. This is a recorder you wear for over 24 hours that takes an ECG. Some holters can be worn for several weeks.

• An consequence recorder. This is a recorder you wear over several days to weeks that samples your heart rate.
• An implantable loop recorder. This is a pocket-size heart recorder put underneath the skin over the heart. It records the heart rhythm for up to 3 years.
• Electrophysiologic testing. This is a hospital test that involves threading catheters into your centre through a vein in your groin.
• Echocardiogram or ultrasound of your heart. This is washed to bank check for structural heart problems.

How is sick sinus syndrome treated?

You may accept SSS without symptoms and not need handling. Simply if you exercise have symptoms and demand treatment, in that location are options. They include:

• Medicine change. Your healthcare provider may change your medicines if you lot are taking whatever known to crusade SSS.
• Pacemaker. The most common treatment for people with symptoms that don't accept a crusade that tin be reversed is a pacemaker. This is a small, battery-powered device that takes the place of your SA node and regulates your heart rate. A doctor places a pacemaker under the pare of your breast during minor surgery. Wires are put in the center that can monitor the center rate and stimulate the heartbeat when needed.

What are possible complications of sick sinus syndrome?

SSS often gets worse over time. When your heart beats also slowly, or as well quickly,  it tin lead to complications:

• Yous may be injured if yous pass out (faint) during an arrhythmia.
• Cardiac claret period may be impaired. This can pb to other organ impairment such as encephalon and kidney part.

Living with ill sinus syndrome

The aging of your SA node causes most cases of SSS, and there'due south no way to prevent that. But you lot can help prevent complications by learning equally much equally you lot tin virtually the disease and working closely with your cardiologist to find the all-time treatment.

You tin can besides make healthy lifestyle changes:

• Don't smoke.
• Work with your healthcare provider to keep conditions such as high cholesterol and high blood pressure under control.
• Swallow a heart-healthy diet.
• Maintain a healthy weight.
• Become regular exercise.
• Tell your healthcare provider if you accept any symptoms.

Fundamental points almost sick sinus syndrome

• Sick sinus syndrome (SSS) is a irksome centre rate.
• The most common cause is a gradual loss of SA node function that comes with age.
• You may have no symptoms or yous may have dizziness, fainting, shortness of breath, or fatigue.
• SSS may exist treated by irresolute your medicines, treating underlying health atmospheric condition, or inserting a pacemaker.
• Not smoking, keeping your cholesterol and claret pressure level under command, eating a good for you diet, maintaining a healthy weight, and getting regular do can aid reduce the risk for SSS.

Adjacent steps

Tips to aid you become the near from a visit to your healthcare provider:

• Know the reason for your visit and what you want to happen.
• Before your visit, write down questions yous want answered.
• Bring someone with you to help you ask questions and remember what your provider tells you.
• At the visit, write downward the name of a new diagnosis, and any new medicines, treatments, or tests. Also write downward any new instructions your provider gives you.
• Know why a new medicine or handling is prescribed, and how it will help yous. Also know what the side effects are.
• Enquire if your condition can exist treated in other means.
• Know why a test or procedure is recommended and what the results could mean.
• Know what to wait if you exercise not take the medicine or have the exam or procedure.
• If you have a follow-upward engagement, write down the date, time, and purpose for that visit.
• Know how you tin contact your provider if you have questions.

Medical Reviewer: Steven Kang MD

Medical Reviewer: Anne Clayton APRN

Medical Reviewer: Stacey Wojcik MBA BSN RN

© 2000-2021 The StayWell Company, LLC. All rights reserved. This data is non intended as a substitute for professional medical intendance. Ever follow your healthcare professional person's instructions.

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Source: https://www.cedars-sinai.org/health-library/diseases-and-conditions/s/sick-sinus-syndrome-1.html

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