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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.
Categories of benthic flowering plants Zone of emergent plants Consisting of plants whose roots and stems remain submerged in water and whose upper leaves and ste
Adaptive Radiations The organisms all the time tend to establish harmony with their environment. This process, called adaptation, enables the organism to face the vagaries of
Which of the following BEST characterizes gas exchange in animal versus plant metabolism: Animals take in O2 and release CO2. Plants take in and release both O2 and CO2. Both anima
It involves the standardization of copper sulphate solution. This is same as done in the previous activity. 1) Pipette accurately 5 ml of Solution A and Solution B in conical f
What do you mean by sex ratio? Sex Ratio is defined as "the number of females per 1000 males". Sex ratio is an important social indicator to measure the extent of prevailing e
What is risk factor interaction ? Coronary artery disease, as has been explained, is a multifactorial disease with diverse risk factors coming together and interacting to produ
Lingual nerve and artery It is the branch of mandibular nerve which enters the oral cavity above the posterior edge of the mylohyoid muscle close to the 3 rd molar region proc
What problem would most likely to occur if a haploid cell attempted to perform meiosis? The cell could not replicate its DNA prior to meiosis.The cell could not pair homologous
Open Mitral Valvotomy : Technique: A median stemotomy is done; peri cardium opened and stay sutures taken. After heparinisation ascending aorta is cannulated and then SVC
Explain the Characteristics of Agar- Agar? There are many characteristics, which make agar-agar, an ideal solidifying agent. These are: (a) It has high gel strength, so it c
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