 A 28-year-old lady visited your office with palpitation, excessive sweating and body weightloss for 7 kg in the last 6 months. She stated that her appetite was good, but she hadexperienced 2-3 bowel movements a day, and also suffered from oligomenorrhea. Her bodyheight was 166 cm, body weight 46 kg, blood pressure 140/66 mmHg, respiratory rate24/min, and pulse rate 106/min. She appeared nervous. Skin appeared velvety. Thyroid wasmildly enlarged; vascular bruit was audible over neck. Third heart sound was audible overthe apex and a grade 2/6 systolic murmur audible along the upper left sternal border. Mildhand tremor was also noted. The rest of the physical examination was normal. What is yourtentative diagnosis? What will be your work-up to confirm the diagnosis and what will beyour therapeutic plan when the diagnosis is confirmed? (20%)