The heart provides blood to the lungs to collect oxygen to expel carbon dioxide, then pumps the blood out to the organs to supply them with oxygen and other nutrients. The organs need a continuous but variable supply of blood. The local blood...
Electrical impulses trigger your heart to beat so that it pumps blood throughout your body. A normal resting heart rate for an adult typically ranges from 55 to 95 beats per minute, according to Douglas Zipes, author of "Cardiac...
Cardiac ablation is a procedure performed to correct irregular heart rhythms. Electrodes are used to correct the structural problems that are responsible for the arrhythmia. Ablation is reserved for cases of irregular heart rhythms that have not...
Normal heart function is regulated by electrical flow throughout heart tissue, which maintains a regular beat and rhythm. Sometimes, disruptions in the normal flow of electricity can cause disturbances in heart beat and/or rhythm. In...
Ablation is a medical procedure to remove or destroy body tissue or to destroy the function of a specific body part. Methods used in ablation procedures include radiofrequency, heat, drugs and surgery, according to the National Cancer Institute....
A doctor who specializes in issues of the heart is called a cardiologist. According to the American College of Cardiology, cardiologists are trained to find, treat and help prevent diseases that attack the blood vessels and the heart. Under the...
Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a rare condition, but one of the most common causes of sudden unexpected death in athletes. In this progressive disorder, fibrous scar tissue and fat replace normal muscle cells of the...
The heart is a muscular organ that works as a pump to distribute oxygenated blood throughout the body. The heart is comprised of a right and left side with a septum which divides the two. The right and left sides of the heart each contain two...
Heart palpitations, also known as arrhythmias, are abnormal heartbeat sensations. If you have heart palpitations, you may experience heart pounding or racing and heart fluttering, or you may feel as though your heart skipped a beat or performed an...
