What Is an Iron Lung?
No device is more associated with polio than the tank respirator, better known as the iron lung. Physicians who treated people in the acute, early stage of polio saw that many patients were unable to breathe when the virus’s action paralyzed muscle groups in the chest. Death was frequent at this stage, but those who survived usually recovered much or almost all of their former strength.
Nothing worked well in keeping people breathing until 1927, when Philip Drinker and Louis Agassiz Shaw at Harvard University devised a version of a tank respirator that could maintain respiration artificially until a person could breathe independently, usually after one or two weeks. The machine was powered by an electric motor with two vacuum cleaners. The pump changed the pressure inside a rectangular, airtight metal box, pulling air in and out of the lungs.
Iron in the Vegan Diet. By Reed Mangels, PhD, RD From Simply Vegan 5th Edition updated August, 2018. Dried beans and dark green leafy vegetables are especially good sources of iron, even better on a per calorie basis than meat. Iron absorption is increased markedly by eating foods containing vitamin C along with foods containing iron. Funk wav bounces download. Almost every cast iron post box comes with predrilled holes, so it can be quickly attached to a stake, fence, post, or wall. ANTIQUE CAST IRON U S MAILBOX - Made by SCHEBLE Co. 1890 - 1905 - MAIL/COLL.
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Inventor John Emerson had refined Drinker’s device and cut the cost nearly in half. Inside the tank respirator, the patient lay on a bed (sometimes called a “cookie tray”) that could slide in and out of the cylinder as needed. The side of the tank had portal windows so attendants could reach in and adjust limbs, sheets, or hot packs.
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Table 1: Iron Content of Selected Vegan Foods
Food
Amount
Ez usb installer. Iron(mg)
Blackstrap molasses2 Tbsp7.2Lentils, cooked1 cup6.6Tofu1/2 cup6.6Spinach,cooked1 cup6.4Kidney beans, cooked1 cup5.2Chickpeas, cooked1 cup4.7Soybeans,cooked1 cup4.5Tempeh1 cup4.5Lima beans, cooked1 cup4.5Black-eyed peas, cooked1 cup4.3Swiss chard, cooked1 cup4.0Bagel, enriched1 medium3.8Black beans, cooked1 cup3.6Pinto beans, cooked1 cup3.6Veggie hot dog, iron-fortified1 hot dog3.6Prune juice8 ounces3.0Quinoa, cooked1 cup2.8Beet greens, cooked1 cup2.7Tahini2 Tbsp2.7Peas, cooked1 cup2.5Cashews1/4 cup2.0Brussels sprouts, cooked1 cup1.9Potato with skin1 large1.9Bok choy, cooked1 cup1.8Bulgur, cooked1 cup1.7Raisins1/2 cup1.5Apricots, dried15 halves1.4Soy yogurt6 ounces1.4Veggie burger, commercial1 patty1.4Watermelon1/8 medium1.4Almonds1/4 cup1.3Sesame seeds2 Tbsp1.2Sunflower seeds1/4 cup1.2Turnip greens, cooked1 cup1.2Millet, cooked1 cup1.1Broccoli, cooked1 cup1.0Kale, cooked1 cup1.0Tomato juice8 ounces1.0Sources:USDA Nutrient Database for Standard Reference, Legacy, 2018 andManufacturer´s information.
The RDAfor iron is 8 mg/day for adult men and for post-menopausal women and18 mg/day for pre-menopausal women. Vegetarians (including vegans)may need up to 1.8 times more iron.
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