Bacteremia

Definition

Bacteremia is the presence of bacteria in the bloodstream, which can lead to serious systemic infections and potentially sepsis. It often arises from infections in other parts of the body or invasive medical procedures.

5 Must Know Facts For Your Next Test

1. Bacteremia can originate from infections such as urinary tract infections, skin infections, or dental procedures.
2. Symptoms of bacteremia may include fever, chills, hypotension, and an elevated heart rate.
3. Common pathogens causing bacteremia include Staphylococcus aureus, Escherichia coli, and Streptococcus pneumoniae.
4. Prompt diagnosis and treatment with appropriate antibiotics are crucial to prevent complications like septic shock.
5. Blood cultures are essential for diagnosing bacteremia and identifying the causative organism.

Review Questions

• What are common sources of bacteremia?
• Which symptoms are typically associated with bacteremia?
• Why is prompt treatment important in cases of bacteremia?

Related terms

Septicemia: A systemic infection where bacteria multiply in the blood leading to severe illness.

Endocarditis: An infection of the inner lining of the heart chambers and valves usually caused by bacteria.

Sepsis: A life-threatening condition resulting from an overwhelming immune response to infection that leads to tissue damage and organ failure.