The US was already geared for war, that's what the cold war was all about. However, US tactics and machines of war had to be modified somewhat for the Vietnam War. Examples: 1. The cold war M14 US Service Rifle had to be replaced with a light-weight rapid firing jungle rifle; the M16.
If a genetic test or blood test suggests CF, a doctor will confirm the diagnosis using a sweat test. This test is the most useful test for diagnosing CF. A sweat test measures the amount of salt in sweat.For this test, the doctor triggers sweating on a small patch of skin on an arm or leg. Genetic tests to find out what type of CFTR defect is causing your CF. 2  A chest x ray. 3  This test creates pictures of the structures in your chest, such as your heart, lungs, and blood vessels. 4  A chest x ray can show whether your lungs are inflamed or scarred, or whether they trap air.
Diagnosing Acid Reflux With a Barium Swallow Radiograph. Your doctor may decide to use a special X-ray procedure -- the barium swallow radiograph -- to rule out any structural problems in your esophagus. In this painless acid reflux test, you will be asked to swallow a solution of barium.The barium enables doctors to take X-rays of your esophagus. Barium swallow isn't a surefire method of diagnosing GERD. Only one out of every three people with GERD has esophageal changes that are visible on X-rays.lso known as gastroesophageal reflux disease (GERD), acid reflux disease is a chronic irritation of the lining of a person's esophagus by stomach acid. Usually, it's just annoying. GERD can, however, have serious consequences, including esophagitis and Barrett's esophagus.