A 66-year-old woman with severe aortic stenosis is scheduled for elective noncardiac surgery. According to perioperative guidance, what is emphasized for patients with significant valvular disease?AMultidisciplinary planning; consider deferring elective surgery for definitive valve therapy if symptomaticBProceed with surgery without evaluationCThrombolysis prophylacticallyDStop all cardiac medications preoperativelyENo echocardiogram neededCheck my answer