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www.reference.com/article/type-anesthesia-used-during-colonoscopy-160b70311fc36020

Sedation is recommended during a colonoscopy and is either given in pill form or as a mild sedative with intravenous pain medication, claims Mayo Clinic. It takes about an hour to recover from the sedative following the procedure, but can take a full day to feel normal.

www.reference.com/article/electricity-first-used-d08b541cecdf3369

Electricity was first used for a specific purpose in 1800 when Italian scientist Alessandro Volta created the first electric battery, the forerunner to the batteries in use today. This proved that electric energy could travel through wire and was the first step toward the invention of the light bulb

www.reference.com/article/first-medical-incubator-used-b65883322b17193c

The first medical incubators were used around 1857 for infants in France, according to MedicineNet. Edith Eleanor McLean, who weighed 2 pounds 7 ounces at birth, was the first to use an incubator in America, on Sept. 7, 1888. Dr. William Champion Deming built the equipment, called the hatching cradl

www.reference.com/article/solar-energy-first-used-37569b94227d2f9

The first attempts at solar energy began in 1860 with the work of Auguste Mouchout, a mathematics instructor at the Lyce de Tours. He created a motor that ran on solar power, and continued to improved on that design until about 1880 when his funding ran out. His work laid the foundation for the mode

www.reference.com/article/astragalus-first-used-medicine-9196ec186cb74f2a

Astragalus has been used by practitioners of traditional Chinese medicine for at least 2,000 years. Anti-oxidants found in the dried root of Astragalus membranaceus are purported to relieve stress, support the immune system and protect against cell damage, according to the University of Maryland Med

www.reference.com/article/were-monograms-first-used-145281ada710067f

Monograms date as far back as Ancient Greece, where coins were monogrammed with the initials of the coins' local city and the city's rulers. During the Middle Ages, painters, craftsmen, merchants and artisans used monograms as a signature to brand their work. An article published in 1871 referred to

www.reference.com/article/were-fingerprints-first-used-solve-crime-5589d11dfddb0bdb

The first documented instance in which a suspect's fingerprint was used to prove their guilt was in 1892, in Argentina. A year before, police official Juan Vucetich began including fingerprints in the files of his investigations.

www.reference.com/article/different-types-anesthesia-f9d974fb6b264a1d

Some types of anesthesia are local, general and regional anesthesia. Regional anesthesia includes peripheral nerve blocks, and epidural and spinal anesthesia, according to WebMD. The anesthesiologist decides which type to use, based on a patient’s health, type of procedure and test results.

www.reference.com/article/anesthesia-invented-b4547146b0befe93

According to the History of Anaesthesia Society, anesthesia was first used in the 13th century by Theodoric of Lucca. This Italian physician used sponges soaked in opium to relieve pain during surgery.

www.reference.com/article/side-effects-anesthesia-766e571c051f3bfa

Amnesia, confusion, disorientation and difficulty thinking clearly are normal side effects of general anesthesia, reports WebMD. Other minor effects, such as nausea, vomiting, sore throat or hoarseness, are common, but damage to the mouth or teeth caused by the breathing tube insertion during the pr