Files stored in the UPD format are more commonly known as program update information files. These .upd files are text documents, and its content can be viewed by any text editing or word processing application. Users of Microsoft Windows-based systems can use the Microsoft Notepad application to open and edit these .upd text documents.
Croup (acute laryngotracheobronchitis) on X-ray with steeple sign. Croup, also called acute laryngotracheobronchitis is caused by viral infection of the upper airway usually parainfluenza virus or respiratory syncytial virus (RSV).
RE: What are some possible causes of an abnormal EKG? Can it be something simple? Thursday a cardiologist told me I had an abnormal EKG, but he did not elaborate. Now I have several tests on Tuesday (nuclear stress test, echocardiogram, and whatever it's called where they measure the pulse in your feet).