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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 Regulation of Water Balance? The input of water, as well as, its loss can be highly variable due to individual habits and environmental factors; in spite of this, the to
They result from septic embolization of vegetations to the arterial vasa vasorum or the intraluminal space, with subsequent spread of infection through the intima and outward throu
Hydroxyapatite coating Hydroxyapatite coating has been recommended for clinical use. These implants are superior with respect to the degree and rate of fixation in the bone as
Intracellular Digestion We all know that unicellular organisms do not have a separate alimentary canal system. All the functions of life are carried out inside a single cell.
SPERM A T OGENESIS The process of maturation of reproductive cells in the testes of male to form spermatozoa (sperm) is known as spermatogenesis. The testes are formed
Q. What are the catalysts? Catalysts are substances that decrease the activation energy of a chemical reaction, facilitating it or making it energetically viable. The catalyst
Considering hybridization in a given trait like the color of the hair of a mammalian species (white/black) conditioned by a pair of different alleles under complete dominance (blac
Explain Coelomates? Recall that Acoelomates have solid bodies, and Pseudocoelomates have body cavities that form between the endoderm and the mesoderm. In contrast, the body ca
Define Amino acid requirements for Human? Data regarding the essential amino acid requirements of infants, children and adults are given in terms of egg protein and cow's milk
Tonicity and the plant cells. Complete the experiment and answer the questions. Table 7.3: Potato type: Potato A: Beginning displacement (ml) = Ending displacem
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