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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.
How old is the universe? From the analysis of data collected by the Hubble telescope the age of the universe is estimated to be about 12 billion years.
please enlighten me on proteins and forensics
Q. In chemical terms how is the neuronal repolarization achieved? Repolarization is the return of the membrane probable from the action potential (+35 mV) to the resting potent
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Nitrate Uptake Nitrate must enter the cells before undergoing assimilatory reduction by the joint action of nitrate reductase and nitrite reductase. Cells accumulate NO - 3
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general character of class sarcodina
Assessment of Peripheral Vascular Disorders History Obtain the following information by interviewing the patient and family members Previous vascular surgery, previ
According to the theory of natural selection, what factor below contributed to the current variations in beak sizes of finch species on the Galapagos islands? a. Finches dispersed
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