Barium swallow is a dedicated test of the pharynx, oesophagus, and proximal stomach, and may be performed as a single or double contrast study.arium swallow is a dedicated test of the pharynx, oesophagus, and proximal stomach, and may be performed as a single or double contrast study.
up vote 9 down vote accepted. In Windows Azure Virtual Machine for Windows you can find drive C and D. Drive C is the boot OS disk and the size is actually the size of your VHD you have either uploaded or configured from the Gallery.
In a particular VM, the guest OS is stored on a virtual hard driveâa big, multi-gigabyte file stored on your real hard drive. The VM app presents this file the guest OS as a real hard drive. This means you wonât have to mess around with partitioning or doing anything else complicated with your real hard drive.