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The simplified Bernoulli equation may be applied to peak velocity measurements to make non-invasive estimates of pressure gradients. Where Vl = peak velocity proximal to an obstruction
V2 = peak velocity distal to the obstruction.
This equation takes into consideration the velocity of flow on both sides of an obstruction.
Example: Peak velocity measured in the ascending aorta is 3 dsec, peak velocity measured in the left ventricular outflow is 2 dsec.
Gradient across the aortic valve = 4 (32-22) = 4 (9-4) = 20 mmHg.
If V is close to 1 dsec, it can be neglected and then even simpler version of the Bernoulli equation may be used:
P = 4V2
Digestive system is one of eleven major body organ systems in animals; it converts food from the external environment into the nutrient molecules which can be used and stored by t
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Access through the crown Advantages : -Allow for better isolation with the rubber dam -Better esthetic anf functioning. -Good coronal seal between visits Limitations : -Proc
SEXUA L REPRODUCTION 1 . Amphigony - Zygote is formed. (i) Syngamy Fusion of gametes. (a) Endogamy - It involves self fertilisation. e.g.
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Salmonellosis Salmonellosis is an infection caused by bacterial species belonging to the genus Salmonella and usually associated with the ingestion of food containing salmonel
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