Hello, I'm an expert in the field of cardiology with a focus on arrhythmias. Ventricular tachycardia (VT) is a serious type of arrhythmia that originates in the ventricles of the heart and can lead to a rapid heart rate. The causes of VT are varied and can include: 1. Coronary artery disease: Scar tissue from a heart attack can create an irregular heart rhythm. 2. Cardiomyopathy: This is a disease of the heart muscle that can lead to VT. 3. Valvular heart disease: Problems with the heart's valves can also trigger VT. 4. Congenital heart disease: Some people are born with heart defects that increase the risk of VT. 5. Long Q-T syndrome: This is a genetic condition that can cause a rapid and chaotic heart rhythm. 6. Electrolyte imbalances: Abnormal levels of certain minerals in the blood can affect heart rhythm. 7. Drugs and alcohol: Certain medications and excessive alcohol consumption can lead to VT. 8. Endocrine disorders: Conditions like hyperthyroidism can increase the risk of VT. It's important to note that in some cases, the cause of VT may not be identified, which is referred to as idiopathic VT. read more >>

Known causes of ventricular tachycardia include: cardiomyopathy, which weakens the heart muscle. structural heart disease, which can be the result of heart damage from a previous heart attack. ischemic heart disease, which is caused by lack of blood flow to the heart.read more >>