Heart Arrhythmia – Definition, Symptoms and Treatment

Definition of Arrhythmia Arrhythmia is irregularity or abnormality of the heart’s contractions. Arrhythmias can result from numerous causes including electrical disturbances of the heart’s pacing mechanisms, physical damage to the heart such as might occur with heart attack, interruptions of the heart’s blood supply that cause myocardial hypoxia (oxygen depletion), severe electrolyte imbalances, and medication side effects. Cocaine use can initiate sudden […]

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Cardiac Resynchronization Therapy (CRT) – Definition and Risks

Definition of Cardiac Resynchronization Therapy Cardiac Resynchronization Therapy (CRT) is a method of biventricular pacing in which an implanted device regulates and coordinates the contractions of both ventricles, typically to treat severe heart failure. Sudden cardiac death as a result of arrhythmia is a significant risk in heart failure, particularly heart failure resulting from dilated cardiomyopathy. Certain bundle branch block arrhythmias also benefit from […]

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Omega 3 Fatty Acids and Cardiovascular Health

Definition of Omega 3 Fatty Acids and Cardiovascular Health Omega 3 fatty acids are dietary substances that increase high-density lipoprotein cholesterol (HDL-C) and decrease low-density lipoprotein cholesterol (LDL-C). Omega fatty acids also reduce the likelihood of arrhythmia and may help lower blood pressure. The omega fatty acids that appear most beneficial are eicosapentaenoic acid (EPA) and docosahexaenoic acid […]

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Cardiomyopathy – Definition, Types, Symptoms and Treatment

Definition of Cardiomyopathy Cardiomyopathy is weakness and loss of pumping effectiveness of the heart, usually with changes to the structure of the heart and in particular the left ventricle. Cardiomyopathy is as likely to affect people under age 40 as people over age 60 and is a leading cause of heart failure resulting in heart transplantation. Genetic factors can […]

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Open Heart Surgery – Procedure and Recovery

Definition of Open Heart Surgery Procedure Open Heart Surgery – any operation in which the surgeon opens the chest to expose the heart. Open heart surgery is the most common method for coronary artery bypass graft (cabg), valvuloplasty and heart valve replacement, reconstructive operations to correct congenital heart malformations, and heart transplantation. In the United States, surgeons perform about 750,000 […]

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Cardioversion (electrical) procedure – what is and definition

Definition of Cardioversion Procedure Cardioversion – The application of an electrical shock through the chest wall to the heart, administered under sedation, to alter the heart’s electrical rhythm. The cardiologist performs cardioversion in a hospital setting staffed and equipped to respond to cardiovascular emergencies. There is a slight risk for heart attack or stroke. Cardioversion is most commonly […]

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Pacemaker definition, surgery and implanting

Definition of Pacemaker and Function Pacemaker is a small, implanted electronic device that emits electrical impulses to maintain a regular heart rate. The most frequent use of a pacemaker is to treat bradycardia, an arrhythmia in which the heart rate is persistently below 60 beats per minute. A pacemaker may also be an effective treatment for obstructive cardiomyopathy, in […]

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Coronary Artery Bypass Graft (CABG)

Definition of Coronary Artery Bypass Graft (CABG) Coronary Artery Bypass Graft (CABG) is a surgical operation to replace diseased coronary arteries supplying the heart with blood. Cardiovascular surgeons began performing CABG to treat severe coronary artery disease (cad), typically following heart attack, in the 1960s. The operation became feasible with refinements in cardiopulmonary bypass technology and surgical technique. In the […]

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Radiofrequency Ablation – Procedure

Definition of Radiofrequency Ablation Procedure A therapeutic procedure to treat arrhythmia disorders such as wolff parkinson-white syndrome or paroxysmal atrial tachycardia (pat). Radiofrequency ablation uses high-frequency energy, similar to microwave energy, to destroy abnormal electrical pathways in the heart. The cardiologist performs radiofrequency ablation via cardiac catheterization, threading a catheter through a blood vessel and into the heart. Electrodes on the […]

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DASH Eating Plan – Diet

What is DASH Eating Plan The acronym for “dietary approaches to stop hypertension.” The DASH eating plan is the result of a pair of clinical research studies and features a diet high in fruits, vegetables, low-fat dairy products, whole grain products, and low in fats (particularly saturated fats) and sodium. Numerous studies correlate dietary habits, particularly […]

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