Supraventricular Tachycardia (SVT)

Understanding Supraventricular Tachycardia (SVT)

Supraventricular Tachycardia (SVT) is a heart condition characterized by an abnormal rapid heart rate originating above the ventricles. This results in a fast and often irregular heartbeat, which can cause discomfort and complications if left untreated.

Side Effects of Supraventricular Tachycardia (SVT)

The symptoms of SVT can vary from person to person but may include palpitations, chest pain, shortness of breath, dizziness, fainting, and fatigue. These symptoms can be disruptive to daily life and may lead to anxiety and stress.

Diagnosis of Supraventricular Tachycardia (SVT)

Diagnosing Supraventricular Tachycardia typically involves a combination of medical history review, physical examination, and diagnostic tests. These tests may include electrocardiogram (ECG), Holter monitor, event monitor, echocardiogram, and electrophysiology studies. These tests help to determine the underlying cause of the rapid heart rate and guide treatment decisions.

Potential Treatments of Supraventricular Tachycardia (SVT)

Treatment options for SVT aim to restore normal heart rhythm, control symptoms, and prevent future episodes. The choice of treatment depends on factors such as the frequency and severity of episodes, underlying health conditions, and patient preferences. 

• Vagal Maneuvers: These are simple techniques that can sometimes help slow down or stop an episode of SVT. Examples include bearing down as if having a bowel movement, coughing, or immersing the face in ice-cold water.

• Medications: Certain medications such as beta-blockers, calcium channel blockers, and antiarrhythmic drugs may be prescribed to control heart rate and rhythm.

• Cardioversion: In cases where medications are ineffective or not well-tolerated, cardioversion may be performed. This procedure involves delivering a controlled electric shock to the heart to restore normal rhythm.

• Catheter Ablation: Catheter ablation is a minimally invasive procedure performed in a specialized electrophysiology lab. During this procedure, thin, flexible tubes (catheters) are threaded through blood vessels to the heart, where they deliver energy to destroy abnormal heart tissue responsible for triggering SVT.

• Implantable Devices: In some cases, implantable devices such as pacemakers or implantable cardioverter-defibrillators (ICDs) may be recommended to help regulate heart rhythm and prevent complications.

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