A patient presents to the clinic complaining of unwanted wei…

A patient presents to the clinic complaining of unwanted weight loss, uncomfortable sweating and heat intolerance. During the physical exam their vitals are remarkable for tachycardia and systolic hypertension, they report no previous history of high blood pressure diagnosis.  During the exam a goiter is palpable in the anterior neck and the patient appears nervous and agitated. Lab results show low TSH and high T4. What is the most likely diagnosis?