What is Tachycardia?

It is probable that you have encountered the term “tachycardia” at some point in your existence. If not, tachycardia is a type of abnormal heart rhythm. At rest, tachycardia is characterized by a heart rate exceeding 100 beats per minute. When you are not engaged in physical activity, your heart rate typically ranges from 60 to 100 beats per minute.

Additionally, your heart is unable to fill with blood between beats due to its frequent beating. This can be hazardous if your heart is unable to provide all of your cells with the necessary blood and oxygen. It is unsurprising that you are advised to seek immediate medical attention when this occurs.

It is important to be aware of the various types of tachycardia. Certain types of tachycardia may recur on a regular basis and may be more severe. Tachycardias can range in severity from mild to moderately harmful. The type of tachycardia you have and the most effective method of managing it can be determined by a medical professional.

But how can one determine whether they are experiencing tachycardia? It is surprising that some individuals with tachycardia do not experience symptoms, while others may experience mild to severe symptoms. Tachycardia may manifest as chest pain, dizziness, fainting, shortness of breath, rapid heart rate, and heart palpitations.

This raises the question of what causes tachycardia. Electrical signals from the sinoatrial (SA) node of the heart typically elicit a response from the heart. How frequently your heart beats is determined by these signals. Your heart may send signals more frequently for a brief period when you are extremely emotional, anxious, or exercising, or have experienced a fright.

This condition is commonly referred to as sinus tachycardia and resolves upon relaxation or sleep. Additionally, a rapid heart rate may be a result of excessive caffeine or alcohol consumption, or substance or tobacco use. Stress, dehydration, high blood pressure, low blood sugar, pregnancy, and anemia are among the most significant causes of tachycardia.

Certain types of tachycardia can result in the failure of your heart, liver, or kidneys if the requisite treatment is not sought. Tachycardia can also lead to cardiomyopathy (weak heart muscle), stroke, heart attack, and blood clotting.

In this regard, your physician will request your medical history and administer a physical examination. They may also request tests such as a Holter monitor, electrocardiogram (EKG), stress test, till table test, electrophysiology test, blood tests, cardiac imaging, or echocardiogram.