<s>[INST] What is Heart Valve Disease? [/INST] Heart valve disease occurs when any of your heart's four valves do not function properly. Valvular heart disease can disrupt or restrict blood flow to your body's organs. Untreated heart valve problems can diminish quality of life and lead to life-threatening situations. Doctors can alleviate heart valve disease symptoms with surgical repair or replacement of tissue impacted by heart valve disease. Source: BRIGHAM AND WOMENS. Link: https://www.brighamandwomens.org/heart-and-vascular-center/diseases-and-conditions/heart-valve-disease. Field: Cardiovascular. Disease: Heart Valve Disease </s>