<prompt> Wide pulse pressure is seen in all except:PDAAoic stenosisAoic RegurgitationA.V. malformation  <response>: Aoic Stenosis is associated with a narrow pulse pressure. Patent Ductus Aeriosus PDA, Aoic Regurgitation and AV Malformations Aeriovenous shunting are all associated with a wide pulse pressure. REF: Harrison book of internal medicine 21ST EDITION 