VT is an arrhythmia involving the lower chambers of the heart. It is a dangerous arrhythmia because it may cause sudden death or fainting due to low blood pressure. |
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Causes of VT
- Heart attack
- Viral myocarditis
- Hypertrophic cardiomyopathy
- Dilated cardiomyopathy
- Complex congenital heart disease
- Congenital long QT syndrome
- Brugada Syndrome
- Electrolyte abnormalities eg potassium, magnesium, calcium
- Adrenal gland tumours
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VT may also occur in structurally normal hearts – this is called idiopathic VT. |
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An ECG showing VT is shown below |
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![ventricular_tachycardia_img_01](http://www.arrhythmia.com.sg/wp-content/uploads/2016/07/ventricular_tachycardia_img_01.jpg) |
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Treatment of VT |
- Drugs
- Electrical cardioversion
- Catheter ablation
- Defibrillator implantation
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