20th August 2020

A 49-year-old woman presents with palpitations

A 49-year-old woman presents with palpitations. For the last 2 days, she has had muscle aches and tiredness which she attributed to flu. However, today, she started to suffer from palpitations, sweating and has a tremor. She also has severe anterior neck pain which moves into her jaw. On examination, she has an enlarged, firm and tender thyroid. Her observations are as follows:

HR 115, BP 127/90, RR 20, SpO2 97%, Temp 38.4°C.  

She is given NSAIDs and beta blockers. These symptoms resolve 1 week later and she becomes asymptomatic. What is the most likely diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.