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Q. What do you mean by ST-Segment in Exercise Induced PVC?
Ans.
Over the years it has been believed that repolarization in ventricular ectopic beats had no diagnostic significance. Recently the magnitude of ST depression in ventricular ectopic beats near peak exercise was studied and was found to be of significant diagnostic value. Because most patients do not have PVCs during exercise, testing limits its value somewhat; ST depression greater than 10 per cent of the R-wave amplitude is predictive of an ischaemia response.
Invasion or Migration - Ecology When a habitat is changed it can be a potential site for the establishment of many organisms. Many species actually invade or reach this new si
Anther Dehiscence and Pollen Transfer Anther Dehiscence Anther dehiscence simply means the release of pollen grains from dry and mature anthers. It involves the rupturi
What is Community Ecology explain their characterstics? Community Ecology: In ecological terms, a community consists of an assemblage of all of the populations living and int
keel is the characteristic feature of flower of 1.tomato 2. tulip 3.ubdugifera 4.aloe
Explain about Riboflavin Aqueous solution shows a pronounced green-yellow fluorescence, which is maximal at a pH of about, 6-7 and disappears upon the addition of acids and al
Q. Acute diarrhoea? It must be evident from the table above that acute diarrhoea generally occurs in association with infections, poisons and drugs. Chronic diarrhoea on the ot
How does aggregation occur in sickle-cell anemia? Place the steps in the correct order from no aggregation to sickle red blood cell. Note that deoxyhemoglobin is generally in the T
While studying evolution, a student comes across a cladogram that includes clades like amphibia, reptilia, aves, and mammalia. What must be the basal clade?
Q What do you mean by biology?
Nutrient Availability You have seen that cation exchange plays an important part in nutrient availability to plants. Cation exchange functions in two ways as nutrients are rele
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