Symptoms & Types of Arrhythmia

Arrhythmias occur when the electrical signals that coordinate heartbeats are not working correctly. Your heartbeats don't work properly, causing your heart to beat too fast, too slow or irregularly.  When the heart beats faster than normal, it is called tachycardia. When the heart beats too slowly, it is called bradycardia. If you feel something unusual happening with your heartbeat, get medical help right away so doctors can find out why it's happening and what you need to do about it.


Symptoms of Arrhythmia

Arrhythmias may not cause any signs or symptoms. In fact, your doctor might find you have an arrhythmia before you do, during a routine examination. When arrhythmias last long enough to affect how well the heart works, more serious symptoms may develop:

Dizziness

Dizziness is the feeling of being lightheaded, woozy, or unbalanced. It affects the sensory organs, specifically the eyes and ears, so it can sometimes cause fainting. Dizziness isn’t a disease, but rather a symptom of various disorders.

A fluttering in your chest

Heart palpitations are feelings of having a fast-beating, fluttering or pounding heart. Stress, exercise, medication or, rarely, a medical condition can trigger them.

Fatigue or weakness

Asthenia, also known as weakness, is the feeling of body fatigue or tiredness. A person experiencing weakness may not be able to move a certain part of their body properly. Asthenia is best described as a lack of energy to move certain muscles or even all muscles in the body.


Shortness of breath

Shortness of breath is a common symptom. It may be related to serious diseases, or it could be a result of being out of shape physically. Your health care provider should assess whether shortness of breath is treatable with lifestyle changes, such as quitting smoking or losing weight.

Types of Arrhythmia

Atrial fibrillation

Atrial fibrillation is a quivering or irregular heartbeat that can lead to blood clots, stroke, heart failure, and other heart-related complications. Atrial fibrillation Signs include dizziness, weakness, and fatigue. Treatment involves medication and lifestyle changes, and sometimes procedures such as cardioversion, ablation, pacemakers, or surgery.

Atrial flutter

Atrial flutter is a problem with the way your heartbeats? Such problems, whether in the rhythm or speed of the heartbeat, are known as arrhythmias. This causes the heart to beat in a fast, regular rhythm. It produces feelings like near-fainting, rapid heartbeats, mild shortness of breath, and fatigue.

Supraventricular tachycardia

Supraventricular tachycardia is defined as an abnormally rapid heart rhythm having an electropathologic substrate emerging. It's a broad term that includes many forms of heart rhythm problems that originate above the ventricles in the atria or AV node.

A normal resting heart rate is 60 to 100 beats per minute. But with SVT your heart rate suddenly goes above 100bpm. This can happen when you're resting or doing exercise.

Ventricular tachycardia

Ventricular tachycardia is a fast, abnormal heart rate. It starts in your heart’s lower chambers, called the ventricles. A healthy heart normally beats about 60 to 100 times a minute at rest. In ventricular tachycardia, the heart beats faster than normal, usually 100 or more beats a minute.

 

The the rapid heartbeat doesn't give your heart enough time to fill with blood before it contracts again. This can affect blood flow to the rest of your body.

Ventricular fibrillation

Ventricular fibrillation is considered the most serious cardiac rhythm disturbance. This causes pumping chambers in your heart to quiver uselessly, instead of pumping blood. Sometimes triggered by a heart attack, ventricular fibrillation causes your blood pressure to plummet, cutting off blood supply to your vital organs. It causes your heart to beat quickly and out of rhythm.

Long QT syndrome

Long QT syndrome is a congenital disorder characterized by a prolongation of the QT the interval on electrocardiograms and a propensity to ventricular tachyarrhythmia, which may lead to syncope, cardiac arrest, or sudden death. It is typically characterized by a prolongation of the QT interval on the ECG and by the occurrence of syncope or cardiac arrest, mainly precipitated by emotional or physical stress.

Reference

 

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