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Brugada syndrome
Mayo Clinic — Brugada syndrome - Comprehensive overview covers the symptoms and treatments for this heart rhythm disorder. Brugada syndrome is a potentially life-threatening heart rhythm disorder. It's characterized by a specific abnormal heartbeat, detected ...More…
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Insidermedicine)
Insider Medicine — On a recent trip to Halifax, we caught up with Dr. John L. Sapp, MD, FRCPC, Associate Professor in the Division of Cardiology, Department of Medicine and Director of Electrophysiology at Dalhousie University. Atrial fibrillation is the most ...More…
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Sudden death in young people - Heart problems often blamed
Mayo Clinic — Sudden death in young people is rare, but those at risk can take precautions. Sudden death in people under age 35, often due to hidden heart defects or overlooked heart abnormalities, is rare. These sudden deaths often occur during physical ...More…
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Abnormal Heart Rhythms
Merck — Ventricular Fibrillation Ventricular fibrillation is a potentially fatal, uncoordinated series of very rapid, ineffective contractions of the ventricles caused by many chaotic electrical impulses. Ventricular fibrillation causes unconsciousness ...More…
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What Are Palpitations?
Heart & Blood Institute — Palpitations (pal-pi-TA-shuns) are feelings that your heart is skipping a beat, fluttering, or beating too hard or fast. DCI Home: Heart & Vascular Diseases: Palpitations: What Are ... Palpitations (pal-pi-TA-shuns) are feelings that your heart ...More…
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Causes and Symptoms of Arrhythmias
American Heart Association — Arrhythmias can produce a broad range of symptoms, from barely perceptible to cardiovascular collapse and death. Normally, the heart's most rapidly firing cells are in the sinus (or sinoatrial or SA) node, making that area a natural ...More…
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Heart arrhythmias
Mayo Clinic — Heart arrhythmias - Comprehensive overview covers symptoms, causes, treatment of this common heart disorder. Heart rhythm problems (heart arrhythmias) occur when the electrical impulses in your heart that coordinate your heartbeats don't function ...More…
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Implantable defibrillators lower risk of death in older ...
American Heart — Implantable defibrillators lower risk of death in older heart patients DALLAS, Jan. 7, 2009 - Implantable cardioverter defibrillators (ICDs) can improve survival in patients with heart damage - even those in their 70s - according to research ...More…
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FreeMD® Rapid Pulse: Visit Virtual Doctor
Free MD — Is your rapid pulse serious? As your virtual doctor, I will help you answer this question. I will also tell you: * If you should see the doctor for your rapid heart rate. * How to care for your rapid heart rate at home Is your rapid pulse ...More…
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FreeMD® Palpitations: Visit Virtual Doctor
Free MD — Palpitations Symptom Check-Up As the virtual doctor, I'll help you decide if you need to see a doctor and why. To do this, I will ask you some questions about your Palpitations and medical history. PalpitationsMore…
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Bloqueo de rama - Instituto del Corazón de Texas (Texas ...
Texas Heart Institute — El corazón tiene un «marcapasos» natural denominado nódulo sinusal o sinoauricular (SA). El nódulo SA es un grupo de células especializadas ubicadas en la parte superior de la cavidad superior derecha del corazón (la aurícula derecha). El nódulo ...More…
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sinoatrial (SA) node
Texas Heart Institute — When the SA node sends an electrical impulse, that impulse first travels through the heart's upper chambers (the atria). It then passes through a small group of cells called the atrioventricular (AV) node. The AV node checks the impulse and sends ...More…