Q. A 55-year-old male with a history of type 2 diabetes, hypertension, and asthma presents to the hospital with symptoms of heart failure. The patient has been taking pioglitazone, lisinopril, a fluticasone inhaler, and ibuprofen as needed.
Upon examination, the patient's vital signs are stable, but the echocardiogram reveals a reduced ejection fraction.
Which of the following medications is contraindicated in this patient's current medical condition?