• Systolic
  • This begins the systolic phase of the cardiac cycle and as the pressure builds up inside the ventricles the valves between the atria and the ventricles close preventing blood from going back into the atria and soon after the valves to the outflow tracts open. (arn.org)
  • flaps
  • a polymeric outer membrane coated over the fiber membrane, the polymeric outer membrane and fiber membrane combining to form the tubular membrane structure, the tubular membrane structure terminating with a plurality of, supple valve flaps, each supple valve flap having a distally oriented leading edge defined along the circumference of the tubular membrane structure by adjacent connecting members, wherein the leading edge of the supple valve flap is frameless. (google.com)
  • The mitral valve is named after the mitre of a bishop, which resembles its flaps. (wikipedia.org)
  • pressure gradient
  • citation needed] When the mitral valve area goes below 2 cm2, the valve causes an impediment to the flow of blood into the left ventricle, creating a pressure gradient across the mitral valve. (wikipedia.org)
  • The subvalvular apparatus has no effect on the opening and closure of the valves, however, which is caused entirely by the pressure gradient across the valve. (wikipedia.org)
  • This early filling phase is due to active relaxation of the ventricular myocardium, causing a pressure gradient that allows a rapid flow of blood from the left atrium, across the mitral valve. (wikipedia.org)
  • This antegrade flow through the mitral valve before it completely closes appears to be the result of a pressure gradient at the end of diastole. (wikipedia.org)
  • The sounds often are caused by a reduced pressure gradient in the mitral area that was caused from decompression of the left atrium from the ASD and a displacement (moving from normal position) of the left ventricular lower portion of the heart to the a large right ventricle. (wikipedia.org)
  • semilunar valves
  • These two arteries receive blood from the ventricles and their semilunar valves permit blood to be forced into the arteries, and prevent backflow from the arteries into the ventricles. (wikipedia.org)
  • The closure of the semilunar valves causes the second heart sound. (wikipedia.org)
  • abnormal
  • A stenosis is an abnormal narrowing in a blood vessel or other tubular organ or structure. (wikipedia.org)
  • Murmurs may also be the result of various problems, such as narrowing or leaking of valves, or the presence of abnormal passages through which blood flows in or near the heart. (wikipedia.org)
  • disease
  • A 64-year-old female with a history of ventilator dependent respiratory failure secondary to end-stage chronic obstructive pulmonary disease (COPD) and bioprosthetic mitral valve replacement 8 years ago was admitted to the medical intensive care unit (MICU) for worsening respiratory failure from pulmonary edema and multifocal pneumonia secondary to Escherichia coli . (hindawi.com)
  • DESIGN: Forty patients with pure mitral valve disease were randomly divided into 2 groups. (biomedsearch.com)
  • In 2013, the European Association for Cardio-Thoracic Surgery (EACTS) and the European Society of Cardiology (ESC) published guidelines according to the therapy in heart valve disease. (uzh.ch)
  • Lutembacher syndrome is a rare disease that affects one of the chambers of the heart as well as a valve of the heart. (wikipedia.org)
  • Irrespective of disease process, alterations to the valve occur that produce one or a combination of these conditions. (wikipedia.org)
  • Aortic and mitral valve disease are termed left heart diseases. (wikipedia.org)
  • Mitral stenosis is caused largely by rheumatic heart disease, though is rarely the result of calcification. (wikipedia.org)
  • Pulmonary valve diseases are the least common heart valve disease in adults. (wikipedia.org)
  • leaflet
  • 2. The bioprosthetic heart valve of claim 1, wherein the bioprosthetic valve additionally comprises a generally tubular stent having an inflow end and an outflow end, and wherein the at least one leaflet is positioned in relation to the stent such that the reciprocal motion of the at least one leaflet occurs as blood flows from the inflow end of the stent through the outflow end of the stent. (google.com)
  • 4. The bioprosthetic heart valve of claim 2, wherein the stent has an inner surface and an outer surface and wherein the at least one leaflet is attached to the inner surface. (google.com)
  • 6. The bioprosthetic heart valve of claim 1, wherein the at least one region of the biological material that is rendered substantially acellular is substantially all of the leaflet. (google.com)
  • 8. The bioprosthetic heart valve of claim 7, wherein the biological material is a leaflet of a heart valve or a fragment of a leaflet of a heart valve. (google.com)
  • Leaking valves can be corrected by mitral valve annuloplasty, a common surgical procedure that aims at restoring proper leaflet adjustment. (wikipedia.org)
  • defects
  • birth defects calcification diabetes iatrogenic, e.g. secondary to radiation therapy infection inflammation ischemia neoplasm - in such cases, the stenosis is often said to be "malignant" or "benign", although this attribute actually refers to the neoplasm itself. (wikipedia.org)
  • Mitral and tricuspid defects are opposite. (wikipedia.org)
  • snap
  • It is best heard over the left sternal border with rumbling character and tricuspid opening snap with wide-splitting S1. (wikipedia.org)
  • tissue
  • Echocardiography may show such abnormalities as poorly functioning heart valves or damage to the heart tissue from a past heart attack . (thefreedictionary.com)
  • There are several types of surgeries depending on the cause of Lutembacher's syndrome(ASD Primium or ASD Ostium Secundum with Mitral Stenosis): Suturing (stitching) or placing a patch of tissue (similar to skin grafting) over the hole to completely close the opening Reconstructing of the mitral and tricuspid valve while patching any holes in the heart Device closure of ASD (e.g. (wikipedia.org)