In this case, a jury was asked to decide whether a nurse practitioner’s failure to properly respond to a patient’s severe hyperthyroidism was the cause of his death.

Hypothyroidism symptoms include weight gain ... Thyroid nodules are evaluated with a dedicated thyroid ultrasound, followed by a biopsy if the nodule is large and/or suspicious.

Conversely, hypothyroidism can occur as a result of ... see a healthcare professional and get a thyroid function test. "Ultrasound may be recommended if nodules or abnormalities are suspected ...