presystolic murmur

presystolic murmur
(PSM) a cardiac murmur occurring immediately prior to ventricular ejection, usually associated with atrial contraction and the acceleration of blood flow through a narrowed atrioventricular valve.

Medical dictionary. 2011.

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  • presystolic — Late diastolic, relating to the interval immediately preceding systole. * * * pre·sys·tol·ic sis täl ik adj of, relating to, or occurring just before cardiac systole <a presystolic murmur> * * * pre·sys·tol·ic (pre″sis tolґik) 1.… …   Medical dictionary

  • Murmur — A Murmur is an abnormal "whooshing" sound created by blood flow through heart valves, as well as flow through chamber narrowings or unusual connections seen with congenital heart disease. It is usually heard by the doctor while… …   Medical dictionary

  • Diastolic heart murmur — Auscultogram from normal and abnormal heart sounds Diastolic heart murmurs are heart murmurs heard during diastole.[1] …   Wikipedia

  • crescendo murmur — a murmur marked by progressively increasing loudness and abrupt cessation, e.g., the presystolic murmur in mitral stenosis with sinus rhythm …   Medical dictionary

  • Austin Flint murmur — a presystolic or mid diastolic murmur heard at the cardiac apex in aortic regurgitation, originating at the mitral valve when blood enters simultaneously from both the aorta and the left atrium …   Medical dictionary

  • diagnosis — /duy euhg noh sis/, n., pl. diagnoses / seez/. 1. Med. a. the process of determining by examination the nature and circumstances of a diseased condition. b. the decision reached from such an examination. Abbr.: Dx 2. Biol. scientific… …   Universalium

  • PSM — patient self management; patient specific mortality; personal status monitor; polymerase chain reaction [PCR] mediated site directed mutagenesis; post mitochondrial supernatant; presystolic murmur; problem solving method * * * presystolic murmur …   Medical dictionary

  • Austin Flint — Infobox Scientist name = PAGENAME box width = image size =150px caption = PAGENAME birth date = 20 October, 1812 birth place = Petersham death date = 13 March, 1886 death place = residence = citizenship = nationality = American ethnicity = field …   Wikipedia

  • Pm — Symbol for promethium. * * * after death [Lat. post mortem]; after noon [Lat. post meridiem]; mean pressure; pacemaker; pantomography; papilla mammae; papillary muscle; papular mucinosis; partial meniscectomy; particle mass; particulate matter;… …   Medical dictionary

  • pM — Abbreviation for picomolar (10−12 M). * * * after death [Lat. post mortem]; after noon [Lat. post meridiem]; mean pressure; pacemaker; pantomography; papilla mammae; papillary muscle; papular mucinosis; partial meniscectomy; particle mass;… …   Medical dictionary

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