In this scenario, General Practitioner had misdiagnosed patient without considering thyroid involvement in patient's arrhytmia. So, as a general guidelines for Ventricular tachyarrhytmia, GP gave amiodarone as drug of choice for this patient. Au contraire, Amiodarone worsening the patient's condition.
After Amiodarone's restriction, and 2 gr intravenous magnesium drip, patient start reducing her refractory Torsade de Pointes along the fits and back to the early ECG pattern when she came to the hospital.
Next question is, what are drugs that should she has for her arrhytmia.