Brugada syndrome is a rare but serious heart disorder that can lead to sudden cardiac arrest and even death. It affects the way electrical signals pass through the heart, causing the heart's rhythm to become abnormal. This syndrome is often inherited, meaning it runs in families.
One of the diagnostic criteria for Brugada syndrome is a specific pattern on an electrocardiogram (ECG or EKG), which is a test that measures the electrical activity of the heart. Individuals with Brugada syndrome may have characteristic ECG changes, often referred to as a "coved-type" ST-segment elevation in the right precordial leads (V1-V3) of the ECG. This abnormal pattern can come and go, making it challenging to diagnose the syndrome in some cases.
People with Brugada syndrome are at an increased risk of developing ventricular arrhythmias, which can cause fainting, seizures, or sudden cardiac arrest. The exact cause of Brugada syndrome is not always known, but it is associated with genetic mutations that affect sodium channels in the heart.
Brugada syndrome can be asymptomatic, meaning some individuals may not experience any symptoms. In other cases, it can cause palpitations, fainting, or sudden cardiac arrest. The first symptom of Brugada syndrome can also be sudden death, especially in individuals without prior symptoms.
Diagnosis typically involves a combination of clinical evaluation, family history assessment, and specific ECG findings. Genetic testing can also be used to identify mutations associated with Brugada syndrome, which can be helpful for confirming the diagnosis and identifying family members at risk.
Treatment for Brugada syndrome aims to prevent life-threatening arrhythmias and may involve medications, implantation of an implantable cardioverter-defibrillator (ICD) to monitor and regulate the heart's rhythm, or in some cases, catheter ablation to modify the abnormal heart tissue.
It's important for individuals with a family history of Brugada syndrome or those who have experienced unexplained fainting or sudden cardiac arrest to seek medical evaluation. A cardiologist or a specialized electrophysiologist can conduct necessary tests and determine the appropriate management for individuals at risk of Brugada syndrome.
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4 июл 2024
