Therefore, if you have an 800 square foot garage you actually need 8 square of shingles. Typically asphalt shingles are the least expensive to install at about $130 per square whereas a metal roof will have a longer warranty but will cost anywhere between $300 and $1,000 per square.
Blood transfusions are usually done in a hospital, an outpatient clinic or a doctor's office. A blood transfusion typically takes one to four hours, depending on which parts of the blood you receive and how much blood you need. You're usually seated or lying down for the procedure.
The blood transfusion will start slowly so healthcare providers can watch for signs of a reaction. Even a small amount of donor blood can cause a reaction. A healthcare provider will stay with you for at least 15 minutes after the transfusion starts. Healthcare providers will check your vital signs at least once every hour. Tell them if you have signs of a reaction, such as pain, nausea, or itching.