Say the word “tumor” and one of the last places you probably think of it occurring is in the heart. Although rare, cardiac tumors occur in approximately 1 in every 2,000 people. Tumors can and do originate in the heart or heart valves. When cardiologists talk about risk factors for these tumors, there just isn’t … Read More
“Inflammation.” You may have heard that word a lot lately and maybe you’ve wondered, “Do I have inflammation?” Actually, you’ve seen inflammation when you’ve injured yourself or gotten an infection. Inflammation as a normal bodily response can cause swelling, pain, fever or warmth.
Pulmonary vein ablation, also called pulmonary vein antrum isolation or PVAI, is a treatment for atrial fibrillation (afib). Afib is the most common irregular heart rhythm. It starts in the atria, or the upper chambers of the heart. When afib occurs, many different electrical impulses rapidly fire at once. These impulses cause a very fast, … Read More
While most serious issues related to heart rhythm disturbances occur in the heart’s upper chambers, or atria, sometimes they do occur in the lower chambers, the ventricles, which are the main pumping chambers. This can cause a very rapid heartbeat called ventricular tachycardia. It’s usually caused by scarring from a heart attack or other issues … Read More
Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy
Sometimes the pathway in the heart’s electrical system is interrupted, which causes changes in heart rate and rhythm. A slow heartbeat can occur because the sinus node, the natural “battery” of the heart, is slow. Other times electrical conduction between the upper and lower chambers of the heart is disrupted. When this happens, the heart … Read More
We usually don’t notice the beating of our hearts unless something out of the ordinary occurs. Most people occasionally feel the sensation of extra heartbeats. While certain issues with your heart’s electrical system are concerning and serious, sometimes extra heartbeats aren’t clinically significant. Usually this occurs due to benign rhythm disturbances in the heart’s lower … Read More
Here at Cleveland Clinic, patients frequently ask us cardiologists this question: “Is my blood pressure too high, or is it too low?” We’re always happy to answer, because it’s important for you as a patient to understand your blood pressure.
Many medical dramas on TV or in the movies feature defibrillation or “shock” paddles when someone is in the midst of a cardiac arrest. Similarly, an implantable cardioverter defibrillator, or ICD, is an electronic device that constantly monitors your heart rhythm. It delivers energy to the heart muscle once it detects a very fast, abnormal … Read More
Your heart’s electrical system spreads impulses through the upper chambers like a wave and then down to the lower chambers through an electrical bridge. Sometimes, something called a “heart block” can occur. This means an abnormality in the electrical bridge between the upper and lower chambers occurs that prevents impulses from the upper chambers from … Read More
The heart’s electrical system conducts electrical impulses between the upper and lower chamber to keep the heart beating regularly and pump blood through our bodies. However, as with any electrical system, sometimes things don’t work exactly as they should. Occasionally a pathway that isn’t normally there is formed, which basically creates an electrical “short circuit” … Read More