What is idiopathic ventricular arrhythmias?

Idiopathic ventricular arrhythmias (IVA) is a term commonly used to describe premature ventricular complexes (PVCs) or ventricular tachycardias (VT) in the absence of structural heart disease.

Can VT be benign?

VT that occurs in a structurally normal heart can be benign if it stops on its own. Any heart condition that results in damage and scar to ventricular muscle can produce VT. It also be caused by an inherited arrhythmia such as long QT syndrome or Brugada syndrome.

What causes RVOT VT?

Idiopathic RVOT VT is thought to be produced by adenosine-sensitive, cyclic AMP mediated, triggered activity. They are commonly observed in adolescents or young adults. In the ECG they appear with a wide QRS complex, a left bundle branch block morphology and, usually, an inferior QRS axis.

How serious is polymorphic ventricular tachycardia?

Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a rare condition. It causes an irregular heart rhythm that can be life threatening. It often shows up in childhood, but can show up later in life. The first sign is often fainting or near fainting during exercise or strong emotion.

What is the difference between VT and VF?

The emergency condition, pulseless VT, occurs when a ventricular contraction is so rapid that there is no time for the heart to refill, resulting in an undetectable pulse….(Irregular Wide Complex Tachycardia)

Does tachycardia shorten life?

Is Supraventricular Tachycardia Dangerous? In the vast majority of cases SVT is a benign condition. This means that it will not cause sudden death, damage the heart or cause a heart attack. It will not shorten life expectancy.

Which is the most common type of idiopathic VT?

The majority of idiopathic VTs (75-90%) arise from the right ventricle — e.g right ventricular outflow tract tachycardia. Fascicular VT is the most common type of idiopathic VT arising from the left ventricle (10-15% of all idiopathic VTs). Usually occurs in young healthy patients (15-40 years of age; 60-80% male).

Is there such a thing as idiopathic ventricular tachycardia ( VT )?

Idiopathic ventricular tachycardia (VT) is an uncommon form of VT that is seen in patients without structural heart disease. It is commonly seen in young patients and usually has a benign course. Recent studies have delineated the mechanisms and anatomical locations of this form of VT. Recognition o …

Can a person with VT have structural heart disease?

1. VENTRICULAR TACHYCARDIA IN STRUCTURALLY NORMAL HEART Dr Dharam Prakash Saran 2. 10% of patients presenting with VT have no apparent structural heart disease . If structural heart disease is absent, the prognosis in patients with VT and PVCs is generally very good Inherited VT–sudden cardiac death syndromes are an exception….

How does verapamil-sensitive idiopathic fascicular VT work?

The mechanism of verapamil-sensitive idiopathic fascicular VT is reentry, and there are several subtypes. Ablation targets are the diastolic potential in the VT circuit, and the RFCA success rate is greater than 90% for the common type of fascicular VT.