Whether you call it flatulence, breaking wind, or passing gas, farting is completely normal. Most people pass gas anywhere from 5 to 15 times a day. But it isn’t normal for blood to appear when you ...

The results of blood gas analyses are used for many patient management decisions, often in a time-sensitive setting. Several pre-analytical factors can affect blood gas and oxygen saturation results.

Blood oxygen level is the amount of oxygen circulating in the blood. During an asthma attack, a person may have a lower blood oxygen level, as asthma can reduce the capacity to take in oxygen. Red ...