Detailed Instructions: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Problem:Question: A 72-year-old woman with type 2 diabetes and chronic renal failure in stage 5. If a pulmonary thromboembolism is suspected, indicate which diagnostic test would be contraindicated:
Options: <1> Transthoracic echocardiogram. <2> Pulmonary scintigraphy <3> Pulmonary angioCT. <4> Electrocardiogram. <5> Chest x-ray.
Solution:
3