[…] the left side in the case of mitral regurgitation) Swelling of the feet, legs or abdomen Cough (mitral only) Excessive nighttime urination (mitral only) Fainting, i.e., syncope
[umms.org]
An opening snap that almost immediately follows S2 indicates severe mitral stenosis, whereas an opening snap that occurs later in diastole indicates milder mitral stenosis
[healio.com]
Pulmonary, Ischemic Attack, Transient, Mitral Valve, Mitral Valve Insufficiency, Mitral Valve Prolapse, Pulmonary Artery, Rheumatic Heart Disease, Stroke, Stroke Volume, Syncope
[acc.org]