<prompt> Which of the following is the cause of wide pulse pressureAoic stenosisAoic regurgitationMitral stenosisTricuspid stenosis  <response>: Signs of Aoic Regurgitation : Collapsing pulse Increased pulse pressure Quinckes sign, Duroziezs sign, de Mussets sign Murmers : early diastolic murmer, Austin Flint murmur displaced apex beat, 4th hea sound Reference : Davidson, 23rd Edition, page no : 524. 