Since these patients usually suffer from heart disease, this should also be well treated for a good prognosis. There is a good prognosis if existing bradycardia has been treated with a pacemaker. Prognosis: Sick Sinus Syndrome Life Expectancy If the heart beats too fast, a healthy rhythm can be ensured by taking medication, such as beta-blockers like Metoprolol. The pacemaker is usually implanted under the skin above the right breast. This pacemaker intervenes whenever the heart rate falls below a certain number of beats, thus providing "downward" protection. In the case of bradycardia, i.e., a slowing of the heart rhythm. Therapy for sick sinus syndrome depends on the patient's symptoms. Also, an exercise ECG, such as cycling, can provide helpful information about sinus node disease. This is a small device that continuously records an ECG throughout the day and can be read out on the computer. The attending physician can ask the patient to wear a 24h ECG. An ECG is not sufficient because it is only a snapshot in many cases. This allows a good assessment of the conduction of the heart's excitation and the associated parameters. For this purpose, the heart's electrical signals are recorded and imaged via electrodes on the chest wall. The most important diagnostic tool for cardiac arrhythmias is the electrocardiogram (ECG). Mutations of sodium ion channels in the conduction system Idiopathic degeneration of the conduction system As a result, affected patients feel, among others, dizziness at rest or fainting when they are under physical stress.Ĭan cause loss or damage to sinus node cells. The most common one is sinus bradycardia, in which the heart beats regularly but too slowly. In a healthy state, the sinus node is responsible for the rhythm in which the heart contracts. It can either be a single chamber pacemaker or a dual chamber pacemaker.Sick sinus syndrome describes a disease of the sinus node in the heart. The type of pacemaker will depend on the condition of your sinus modes. The pacemaker helps in producing normal steady paces in the heart. Generally the pacemaker is placed under the skin near your collarbone by performing a minor surgery. After a proper diagnosis, your doctor may alter your medication that might solve the problem but more often people having SSS need an artificial pacemaker. To identify SSS, your doctor may ask you to go through electrocardiogram or holter monitor or event recorder or implantable loop recorder. Moreover, the symptoms of SSS like dizziness, fatigue and shortness of breath are common symptoms of other disease as well. Improper functioning of the sinus nodes may require treatments depending on the cause.įor correct medical treatment of SSS, it is essential to undergo a diagnosis under a cardiologist. These includes-diptheria( an infection that can damage the heart muscles), hemochromatosis (excess iron in the blood), muscular dystrophy( an inherited condition in which the body’s muscle are damaged and weak). There other medical conditions that can also cause sinus nodes to malfunction. Some of these causes include-age, previous heart attack, hyperkalemia (too much potassium in the blood), medications to treat high blood pressure and many more. There are various causes responsible for the failure of the sinus nodes working properly. Sick sinus syndrome is an irregular heart condition occurring due to dysfunctional sinus nodes. If they occur, they may include-fatigue, dizziness or lightheadedness, fainting, shortness of breath, chest pains, slower heartbeat, heart palpitations. Moreover, people having SSS may not show any signs or symptoms of the condition. With SSS, this pattern becomes irregular. These impulses are produced in steady, regular pattern. They send out an electrical impulse that travels to the ventricles located in lower chambers of the heart (the heart is divided into four chambers, two upper of atria and two lower chambers of ventricles) causing the ventricles to contract and pump blood to your lungs and body. They are a group of cells that act as the natural pacemaker, meaning they regulate a person’s heartbeat. The leading cause of this irregular heart rhythm are sinus nodes which are located in the upper chamber of the heart. It is relatively an uncommon heart disorder affecting people above 60 years of age. A person with sick sinus syndrome may experience irregular heart beat meaning it will either be too slow (bradycardia) or too fast (tachycardia) or between fast and slow with a long pause. It develops when the sinus node in the heart does not function properly. It is condition of the heart comprising of a group signs and symptoms. Sick sinus syndrome is not a specific disease.
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