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Both global and regional systolic function are to be checked. Global measures include ejection fraction, stroke volume, end systolic volume. (For measurement of systolic function using M-mode and 2D echocardiography refer to the section on Echocardiography.) In diastolic dysfunction there is generally presence of left ventricular hypertrophy. The transmitral flow is studied by pulsed Doppler. In normals the early filling velocity (E-wave) is larger than the velocity during atrial contraction (A-wave) and the descent is fast. In diastolic dysfunction there are in general 2 types of patterns. When relaxation is impaired the E-wave becomes smaller and its deceleration time is prolonged and the A-wave becomes taller. With restrictive physiology the E-wave becomes taller and the deceleration time is shorter and the A-wave is smaller. There are also abnormalities in the pulmonary venous flow patterns.
A fruit fly has four pairs of chromosomes in its cells. At meiosis, how many different combinations of maternal and paternal chromosomes are possible in the gametes?
Optic vesicle We have explained earlier that the presumptive material for the optic vesicles lies in qe eye field in the anterior region of the early neural plate. Experiments
Explain about the Renal and Urogenital System? Various studies have shown a decrease in the creatinine and insulin clearance. Due to the changes in glomerular structure of the
LARG E INTESTINE - More wider. Arranged around small intestine in the form of ? . It is 1.5 m long. Villi & microvilli absent. It shows 3 parts Ceacum, colon & rectum.
Determine the Biocompatibility of the material It is a vital factor as we have discussed in detail in the preceeding part of this unit. The nature of the material and its surf
Auxiliary Food Chains In addition to grazing and detritus food chains there are other auxiliary food chains operated through parasites and scavengers. Some parasitic food chai
briefly explain pinocytosis
Q. Investigation of Tricuspid stenosis by Echocardiography? Findings are subtle. One should carefully search for organic tricuspid valve involvement in all rheumatic heart dise
pictures of phaseses
Ground Water Ground water represents a major subterranean reservoir of fresh water. In general. it is not tapped by plants as it is too deep and does not suffer from loss due t
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