This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
A 40-yr-old female who is known as the case of ischemic heart disease (IHD) is diagnosed with having hypothyroidism. Which of the following would be the most appropriate line of management for her - 
Select and explain. 
A. Start levothyroxine at low dose, B. Do not start levothyroxine, C. Use levothyroxine, D. Thyroid extract is a better option
A: Start levothyroxine at low dose
Answer: A: Start levothyroxine at low dose 
Explanation: None