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Aortic Valvotomy : These days aortic valvotomy even in neonates and critically ill infants is done under cardio pulmonary bypass. Through a median stemotomy, ascending aorta and right atrium are cannulated after heparinisation. On bypass aorta is clamped. Cold cardioplegia is administered into the aortic root. If necessary, retrograde cardioplegia is administered through coronary sinus. Transverse aortotomy is done. Aortic wall is retracted, valve inspected and itortic valvotoiny is done. The fused commissures are divided upto lrnm away from the junction of aorlic annulus.
Division of unicomrnissural valve and of a rudimentary raphe will produce severe incompetence and so should be avoided, occasionally myxornatous nodules could be removed without dainaging the cusps. Aortolomy is then closed with continuous prolene sutures. It is good to monitor LA and PA pressures a1d measure aortic gradient and LV and RV pressures before closing the chest.
BLOO D VESSELS - Some vessles supply blood to wall of large vessels these are vessel of vessels or vasa vasorum . Mainly artery and vein, 2 types of vessels present.
Some ecosystems possess relatively large number of species as compared to others. This is particularly true of tropical forests which exhibit a very rich-biodiversity. For example,
Put the following in the most probable order
Q. What is the stage of cellular respiration during which carbon dioxide is liberated? In aerobic cellular respiration the release of carbon dioxide happens in the transformati
Q. Can two normal individuals of the same species with sexual reproduction have identical karyotypes and identical genomes? And how is the human karyotype usually represented?
ALIMEN T A R Y CANAL Endodermal in origin. Long, 6-9 metres. In herbivorous more long than carnivorous.
#what is coelenterata?
Seed Germination - Development of plant The environmental factors that influence the germination of seeds are: Water availability, Optimal light, Aeratio
Are there living beings without cells? Viruses are measured the only living beings that do not have cells. Viruses are constitute by genetic material (DNA or RNA) enwrapped by
Define Ascorbic acid content of white blood cells? The ascorbic acid content of white blood cells and platelets is a good index of the tissue levels of ascorbic acid. The level
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