mitral valve prolapse is associated with thoracic bony abnormalities , low body weight , low blood pressure , and a modest excess of orthostatic hypotension , syncope , palpitations , and atrial arrhythmias , but not with nonspecific symptoms ( atypical chest pain , dyspnea , anxiety or panic attacks ) .
C0020649
low blood pressure
C0020651
orthostatic hypotension