A bloodstream infection, also known as sepsis, occurs when harmful bacteria or other pathogens enter the bloodstream. This can lead to serious health complications, as the infection can spread rapidly throughout the body. Common symptoms include fever, chills, rapid heartbeat, and confusion. Bloodstream infections can arise from various sources, such as wounds, catheters, or infections in other parts of the body. Prompt diagnosis and treatment are crucial, often involving antibiotics and supportive care to prevent severe outcomes. Early intervention can significantly improve the chances of recovery.