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arrhythmia 

Human Heart: Anatomy, Function, Chambers, Location, Facts

Human Heart: Anatomy, Function, Chambers, Location, Facts

patient education

Your heart is a small muscular organ that operates as a circulatory pump. It takes in deoxygenated blood through the veins and delivers it to the lungs for oxygenation and then pumps it into the arteries. Many factors associated with your heart can lead to, or cause, an arrhythmia (irregular heart rhythms).

General Overview of Arrhythmia

General Overview of Arrhythmia

patient education

An arrhythmia is a problem with the rate or rhythm of your heartbeat. It means that your heart beats too quickly, too slowly, or with an irregular pattern. When your heart beats too fast, it is called tachycardia. When the heart beats too slowly, it is called bradycardia.

What Are the Symptoms of Arrhythmia?

What Are the Symptoms of Arrhythmia?

patient education

An arrhythmia can be silent and cause no symptoms. Your doctor can however detect it during a routine exam by reading your pulse or through an electrocardiogram (ECG). When symptoms of an arrhythmia occur, these may include palpitations, dizziness, fainting, shortness of breath, and chest pain.

What Causes Arrhythmia?

What Causes Arrhythmia?

patient education

Many factors can lead to, or cause, an arrhythmia (irregular heart rhythms), including smoking, alcohol abuse, stress, certain medications such as beta blockers, sleep apnea, diabetes, high blood pressure (hypertension), blocked arteries, underactive thyroid gland, overactive thyroid gland, etc. Sometimes, the cause of arrhythmia is not clear and remains unknown.

What Are the Different Types of Arrhythmias?

What Are the Different Types of Arrhythmias?

patient education

There are many different types of cardiac arrhythmias. Premature beats are the most common type of all arrhythmia types. They are generally harmless time and often don't show any symptoms. Supraventricular arrhythmias also called tachycardias are fast heart rates that start in the atria or atrioventricular (AV) node.