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Middle ear barotrauma (MEBT), also known to underwater divers as ear squeeze and reverse ear squeeze, is an injury caused by a difference in pressure between the external ear canal and the middle ear. It is common in underwater divers and usually occurs when the diver does not equalise sufficiently during descent or, less commonly, on ascent.
In a clinical setting, the Valsalva maneuver is commonly done against a closed glottis or an external pressure measuring device, thus eliminating or minimizing the pressure on the Eustachian tubes. Straining or blowing against resistance, as in blowing up balloons, has a Valsalva effect, and the fall in blood pressure can result in dizziness ...
Barotrauma is physical damage to body tissues caused by a difference in pressure between a gas space inside, or in contact with, the body and the surrounding gas or liquid. [1] [2] The initial damage is usually due to over-stretching the tissues in tension or shear, either directly by an expansion of the gas in the closed space or by pressure difference hydrostatically transmitted through the ...
A new jaguar cub at a Florida zoo is the first to be born there in 10 years. The baby was born at the Jacksonville Zoo on April 7 to “first-time mother and father, Babette and Harry,” the zoo ...
Infants are born with minimal eyesight, compact and fleshy bodies, and "fresh" features (thinner skin, small noses and ears, and scarce hair if any). However, this stage is only brief amongst primates; their offspring soon develop stronger bones, grow in spurts, and quickly mature in features.
The ear is designed to be self-cleaning, but some people are more prone to earwax buildup due to their ear canal shape. For example, very curvy ear canals, narrow ear canals, or surgical ears are ...
Diver clearing ears Section of the human ear, the Eustachian tube is shown in colour. Ear clearing, clearing the ears or equalization is any of various maneuvers to equalize the pressure in the middle ear with the outside pressure, by letting air enter along the Eustachian tubes, as this does not always happen automatically when the pressure in the middle ear is lower than the outside pressure.
For other parents, the decision of when to pierce their baby's ears comes down to a desire to save their child from pain when they're older. Jennifer Kremer of Sellersburg, Ind. took both of her ...