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Q. Pathophysiology of mitral stenosis?
Normally there is no pressure gradient between left atrium and the left ventricle during diastole. However, as the valve orifice size decreases pressure gradient develops across mitral valve in diastole and the mean left atrial pressure increases. Increase in left atrial pressure would cause increase in the pulmonary artery wedge pressure. Increase in pulmonary artery wedge pressure would cause interstitial congestion by way of Starling's forces and this presents as symptoms of dyspnoea. Further rise in pulmonary artery wedge pressure causes pulmonary edema and pulmonary arterial hypertension. In some patients there will be disproportionate rise in pulmonary artery pressure due to vasoreactivity of pulmonary arteries. As the pulmonary artery systolic pressure increases further the right ventricle fails and features of right heart failure would ensue.
Q. Hand Washing in sterilization process? Hand washing is considered the single most important measure to reduce the risk of transmitting organisms to patients and HCWs (health
habitat, habit, cell wall chemistry, reason why cell wall like this of Archaebacteria , eubacteria,fungi,algae,bryophytes ,pteridophyes, gymnosperms , angiosperms..
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what is the excretory organ of a lizard?
Ovipary, Vivipary and Ovovivipary In each case of external and in some cases of internal fertilisation, development of the fertilized egg (zygote) occurs outside the mother's
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What benefit does the sea anemone get in the sea anemone-hermit crab facultative mutualism? Give an alternative term for this part of mutualism. Name the nitrogenous wast
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