Cardiac Arrhythmia

by birtanpublished on September 20, 2020

You depending on activity level the heart beats about 60 to 100 times per minute it may be higher during exercise or lower at rest a normal heart rate and rhythm ensures the delivery of oxygen-rich blood to all of the body's

Organs such as the brain and lungs a group of cells in the heart called the cardiac conduction system uses electrical impulses to control the speed and rhythm of each heartbeat each heartbeat starts in the right

Atrium in the sinoatrial or SA node then spreads through the walls of the heart chambers called the atria and ventricles causing them to contract this process repeats with each heartbeat problems with the cardiac conduction

System cause the heart to have an abnormal rhythm called an arrhythmia this may cause an irregular pulse arrhythmias may happen in the atria or ventricles types of arrhythmias include

Fibrillation which is an irregular heartbeat rhythm tachycardia which is a fast heartbeat of more than 100 beats per minute and bradycardia which is a slow

Heartbeat of less than sixty beats per minute atrial fibrillation is the most common type of arrhythmia random impulses cause the atria to fibrillate or twitch rapidly and randomly

Tachycardia in the atria is called supraventricular tachycardia focal atrial tachycardia small areas within the atrial wall start or pass along impulses that cause the atria to contract rapidly but with a regular

Rhythm in atrial flutter larger areas within the atrial wall start or pass along impulses that cause the atria to contract rapidly but with a regular rhythm

Tachycardia may also happen in the ventricles with rapid and regular contractions the body may not receive enough blood because the ventricles contract before completely filling with blood

The most serious arrhythmia is ventricular fibrillation where many random impulses fire rapidly within the ventricular walls in ventricular fibrillation the ventricles are quivering instead of beating this is a

Medical emergency because the heart cannot effectively pump blood to the body or itself sometimes problems with the SA node or problems with the pathway of the electrical impulses to the ventricles

Can cause the slow heartbeat in bradycardia if the heart beats too slowly the body may not receive enough oxygen rich blood depending on the type of arrhythmia a doctor may recommend one or more of the

Following treatments lifestyle changes such as eating a heart-healthy diet exercising and quitting smoking medication such as anti-arrhythmic drugs

And beta blockers catheter ablation where thin wires inserted into the heart destroy the tissue causing the arrhythmia with hot or cold energy and implantable devices such as a

Pacemaker or defibrillator to correct the pace or rhythm of the heart

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