Yes, your TSH results denote hyperthyroid condition. You definitely need to seek medical advice, and do NOT delay.

Listen to what the endocrinologist says and the recommendation given. Usually, medication is advised, and is lifelong. In some extreme cases, surgery is the best way to go, but the long and the short is, you need to seek professional medical help.

This condition is only life threatening if left untreated for too long. It does not impact too much on your quality of life once a remedy is prescribed and followed.