Afib Research Paper

The episodes of atrial fibrillation can come and go or remain permanently and cannot usually be corrected without surgical intervention. This could be caused by hypertension,

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Atrial fibrillation (AF) is the most common type of heart dysrhythmia which causes the irregular beating of the two atria in the heart. The cause of AF is multiple atrial ectopic foci firing randomly and chaotically. Atria rhythm can be completely disorganized at a rate of 350 to 600 times per minute by the multiple rapid impulses from numerous atrial foci, so the atria are in a quiver status; the ventricles beat with a rapid rate due to the rapid atrial impulses (Ignatavicius and Workman, 2013). The ventricular contraction rhythm can be 120 to 200 beats per minute. The ECG result shows a chaotic rhythm, no P waves, no atrial contractions, no atrial kick and irregular ventricular contractions. The rapid, irregular ventricular rate decreases

Atrial fibrillation (AF) is the most common sustained cardiac rhythm disorder with evidence suggesting an increasing prevalence and incidence worldwide [1]. It is the most common arrhythmia seen in clinical practice and is associated with plenty of morbidities and mortalities, e.g. stroke and heart failure. The clinical subtypes of AF are paroxysmal, persistent, longstanding persistent and permanent AF. Paroxysmal atrial fibrillation is defined as atrial fibrillation that is self-terminating, usually within 48 h. Persistent atrial fibrillation is present when an episode of atrial fibrillation either lasts longer than 7 days or needs cardioversion. Longstanding persistent atrial fibrillation has lasted for 1 year or more and is when arrhythmia

A heart attack, also known as a myocardial infarction, usually occurs when a blood clot forms inside a coronary artery at the site of an atherosclerotic plaque. The blood clot severely limits or completely cuts off blood flow to part of the heart. In a small percentage of cases, blood flow is cut off when the muscles in the artery wall contract suddenly, constricting the artery. This constriction, called vasospasm, can occur in an artery that is only slightly narrowed by atherosclerosis or even in a healthy artery. Regardless of the cause of a heart attack, the oxygen deprivation is so severe and prolonged that heart muscle cells begin to die for lack of oxygen. About 1.1 million people in the United States have a heart attack every year;

LBBB may be the result as normal variation with age and/or fibrotic conduction system, chronic ischemic heart disease, left ventricular hypertrophy (most commonly from long-standing hypertension), adverse ventricular remodeling from congestive heart failure, or valvular heart disease (ASD). It is not possible to determine the chronicity of the LBBB without reviewing previous ECG tracings. LBBB in AMI may be transient or permanent. Chronic LBBB may have become more common while incident LBBB in AMI has decreased, due to longer life expectancy and better survival for patients with heart failure and other co-existing conditions

Atrial fibrillation, also known as AF or AFib, is the most common type of cardiac arrhythmia, it is characterised by rapid, irregular heartbeat. It is also known as disruption in cardiac rhythm which is the cause of irregular beating of the heart. Atrial fibrillation is when the two upper chambers of the heart known as atria beats rapidly and out of sync with the two lower chambers of the heart known as ventricular.

This group of arrhythmias include atrial fibrillation, ventricular fibrillation, premature contraction, conduction disorders, and more. If you want to find out more about these less severe causes of irregular heartbeat, you can find more information here. The two most serious cases of irregular heartbeat are atrial and ventricular fibrillation. Ventricular fibrillation is the quivering of the lower chambers of the heart that are used to pump blood out of the heart. (AHA, 2014) When these quiver, the heart is unable to pump any blood, which causes cardiac arrest. Atrial fibrillation, on the other hand, is the quivering of the upper two regions of the heart that move blood into the ventricles. (AHA, 2014) The main worry when dealing with atrial fibrillation is the increased risk of stroke. When the atria quiver as opposed to a regular contraction, it causes some blood to remain stagnant in the chamber. This allows a blood clot to form. If this clot gets pumps out of the heart and moves up into the brain, a stroke will occur. Because of this, many people with atrial fibrillation are put on blood

Atrial fibrillation - a common heart rhythm disorder in which the upper chambers of the heart beat rapidly and chaotically. Atrial fibrillation can be caused by heart abnormality from birth, or damage to the heart structure from a heart attack or heart valve problem. However, people with normal hearts may also develop atrial fibrillation. Sometimes people with this condition can have slow rhythms. Medicines used to control atrial fibrillation may result

Atrial fibrillation is a condition that the heart beat irregularly and often rapidly. Normally, a sinoatrial node (SA node) in the right atrium of the heart acts as the heart’s natural pacemaker and generates electrical signals to start the heart beating in an organized way. It allows atria to contract and squeeze regularly traveling the electrical signals through the atrioventricular node (AV node) which is situated in the centre of the heart between the atria and ventricles, the electrical signals then steadily pass through to the ventricles keeping the heart beating constantly and blood flowing to the lungs and body. This impulse allows the atria and ventricles work together to maintain a normal sinus rhythm of the heartbeat. In AF, the

Ventricular tachycardia is a life threatening arrhythmia that is mostly seen along with other heart diseases. Ventricular tachycardia can lead to ventricular fibrillation. Common causes for ventricular tachycardia include: heart disease, and after heart surgery. Rare causes are inherited heart rhythm problems such as long QT syndrome or Brugada syndrome and antiarrhythmic medicines. Less common causes include: blood imbalances (low potassium levels, other electrolyte imbalances), nonprescription decongestants, herbal remedies, diet pills, and Illegal drugs (such as stimulants, like cocaine) also may cause ventricular

First degree atrioventricular block is a type of heart block. The heartbeat is a coordinated contraction between the upper and lower chambers of the heart. This coordinated contraction happens because of an electrical impulse that is sent from the upper chambers of the heart to the lower chambers of the heart. The electrical impulse causes the heart to beat and pump blood. Normally, this electrical impulse is transmitted without delay. A first degree heart block is a slight delay of this electrical impulse transmission from the upper chambers of the heart to the lower chambers of the heart.

Cardiac Arrhythmias occurs when the electrical impulses of the heart don’t work properly, causing the heart to beat either too fast, too slow or irregular. There a two different types of cardiac arrhythmias; supraventricular and ventricular. The supraventricular arrhythmias occur when electrical abnormalities are generated in the sinoatrial node, atria, atrioventricular node, and the junctional tissue in the heart. The ventricular arrhythmias are generated in the ventricular conduction system and the ventricle. Due to the fact the ventricle pumps blood to the heart, if the blood isn’t pumped effectively to the vital organs they can’t function properly causing them to shut down and becoming damaged, causing ventricular arrhythmias to be more

Atrial fibrillation (AF) is the most common cardiac arrhythmia. It is more prevalent in men with increasing age. ( 11343485). Hypertensive heart disease and coronary heart disease are most common underlying disorders in patients with AF in developed countries. AF is classified based on 2014 AHA/ACC/HRS guidelines into Paroxysmal AF (AF that terminates spontaneously in less than 7 days), persistent AF (AF that fails to terminate in 7 days), long standing persistent AF (AF more than 12 months) and permanent AF (AF that is considered not amenable to rhythm control strategy). This classification

Premature atrial contractions are early additional beats that start in the atria and are usually innocuous and usually don’t require medical attention. Premature ventricular contractions are one of the most prevailing arrhythmia where the heart will skip a beat due to stress, caffeine overindulgence, or excessive exercise. Some people who have frequent contractions should seek medical attention, but if it is irregular it is usually harmless. Atrial fibrillation is quite frequent which causes the atria to contract out of rhythm. Atrial flutter is a more organized version of atrial fibrillation where it’s caused by one or many rapid circuits in the atria. Paroxysmal supraventricular tachycardia originates above the ventricle and is known as a rapid heart rate. Accessory pathway tachycardias are a form of rapid heart rate that is due to extra passageway between the ventricles and atria. AV nodal reentrant tachycardia is another form of rapid heart rate that is caused through more than one passageway. These can both be treated with special therapy or medication. Ventricular tachycardia is a hasty heartbeat that begins in the ventricle section of the heart. This hasty beat prevents the heart from attaining the right amount of blood to fill up, thus causing the body to receive much less blood than usual. Ventricular fibrillations are inconsistent impulses from the ventricles