This can cause symptoms of shortness of breath, weakness, syncope (fainting), and in some people, death. Constrictive pericarditis occurs when the pericardium scars down and adheres to the heart surface; it can prevent the heart from expanding to receive blood returning from the body.
A Microsoft account (Formerly Windows Live ID) is the email address you use along with your password to sign in to any Microsoft program or service such as Outlook.com, Hotmail, Messenger, SkyDrive, Xbox LIVE, or Office Live. Some examples of Microsoft accounts end in @live, @hotmail, @outlook.com.
A Microsoft Account (Windows Live ID) is required to sign up for the Skype for Business Preview Program. If you need to create a new Microsoft Account, or link a login to your current business account, you can do that here. Microsoft Employees should use their corporate credentials for sign in. On the next page, please select the appropriate option of the two highlighted in the image below.