If the virus becomes active after being latent, it causes the disorder known as shingles, or herpes zoster. The virus spreads in the ganglion and to the nerves connecting to it. Nerves most often affected are those in the face or the trunk. The virus can also spread to the spinal cord and into the bloodstream.
About this Procedure. The sniff test is a fluoroscopic exam used to check how the diaphragm (the muscle that controls breathing) moves during activities such as breathing normally and inhaling rapidly. Your diaphragm normally moves down when you inhale, and up when you exhale.
Chest X-Ray. While a chest X-ray is not an asthma test, it may be used to make sure nothing else is causing your asthma symptoms. An X-ray is an image of the body that is created by using low doses of radiation to see internally.X-rays can be used to diagnose a wide range of conditions, from bronchitis to a broken bone.Your doctor may perform an X-ray exam on you in order to see the structures inside your chest, including the heart, lungs, and bones.ung function tests are asthma tests that assess lung function. The two most common lung function tests used to diagnose asthma are spirometry and methacholine challenge tests. Spirometry is a simple breathing test that measures how much and how fast you can blow air out of your lungs.