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Classic Procedure: The approach is the same as described earlier for open mitral valvotomy. The excision starts with an anterior incision on the anterior leaflet at 12o'clock position, 2mm distal to the annulus. The incision is extended. The anterior leaflet with the chordae and the tip of the papillary muscle are removed. If the posterior leaflet is calcified, it is also excised along with chordae and tips of papillary muscles. Over zealous excision and suturing may cause venticular rupture or damage to circumflex coronary arteiy. Valve size is assessed according to the type of valve selected by the surgeon. The valve can be sutured by a continuous suture technique or interrupted pledgetted mattress sutures using 2 '0' braided polyester sutures. The pledgets are usually placed on the atrial aspect or rarely on the ventricular aspect.
Define Sweetness as a Function of Sugar? Sweetness is the most recognized functional property of sweeteners. Our preference for sweetness, regarded as innate, is apparent soon
Q. What is the DNA vaccine? The DNA vaccination or is a vaccination technology based on genetic engineering. In DNA vaccine a recombinant plasmid (vector) containing the gene o
Q. Besides vertebrates two invertebrate phyla contain species that make pulmonary respiration. Which are these phyla? Terrestrial molluscs and the arachnid arthropods are the i
A biologist examines a series of cells and counts 140 cells in interphase, 10 cells in metaphase, 4 cells in anaphase and 7 cells in telophase. if complete cell cycle requires 24 h
Explain Light in cell Metabolism? Energy for almost all organisms on earth is derived directly or indirectly from light energy produced by the sun. Sunlight consists of energy
explain chemical changes during cleavage
Ventricular Assist Devices : These come handy when IABP has failed or when prolonged circulatory support is needed. Now Ieft ventricular (LVAD), right ventricular (RVAD) and bive
Tissue culture The ability of a plant cell to give rise to a whole plant is called totipotency. The culture of a cell or a tissue in a suitable medium to produce new plan
Measurement of solar energy input A variety of instruments have been designed to measure the energy of solar radiations of all wavelengths as well as of a particular range of w
Define isolated soybean proteins in Infant formulas? Infant formulas, where milk solids have been replaced by soy products, are well established commercial products. ISP is the
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