Sustained VT lasts longer than 30 seconds and/or requires help for stopping or produces severe blood flow problems which can lead to fainting. Long-term treatment may include oral antiarrythmic medication. However, these are frequently avoided because of severe side effects. Other long-term treatments include: cardioverter defibrillator: a device implanted in the body to interrupt tachycardia when it occurs radio-frequency (RF) ablation: destroys abnormal pathways that are causing the heart to beat incorrectlycardiac- resynchronization therapy (CRT): a type of pacemaker implanted to regulate your heartbeat...