The tympanometer measures the admittance or compliance of the tympanic membrane while different pressures are being applied to the external ear canal. The compliance of the TM is measured in cubic centimeters, and the pressure in the ear canal is measured in decapascals (daPa).The probe has different size plugs that provide a seal at the entrance to the external ear canal.hysics of the Tympanogram. If the middle ear space is filled with fluid, most of the sound is reflected back to the probe from the stiff tympanic membrane. If the middle ear space is filled with air, and the ossicles are intact, energy is absorbed by the tympanic membrane, ossicles, and inner ear structures.
Although they are a little bit higher in iron, mangoes, kiwi, star fruit, peaches, honeydew melon, pears, bananas, cantaloupe, lemons, watermelon, nectarines, blueberries, peaches, strawberries and pineapple are all relatively low in iron as well, containing less than 0.7 milligrams per serving.
Fruits are a good source of vitamin A. Some fruits are a source of iron. Any fruit juice except prune juice unless allowed by your physician. Ripe banana, avocado, melon, orange and grapefruit without membrane, peeled and cooked apples, canned fruits other than pineapple, berries, figs, prunes, and fruit cocktail.