Laboratory Workup of a Positive Blood Culture
What the laboratory does the moment a blood culture flags positive: the immediate Gram stain, subculture, identification by MALDI-TOF or molecular panels, susceptibility testing, a...
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Blood Culture
Articles tagged with blood culture.
BACTEC Automated Blood Culture System: Principle, Vials, and How It Detects Growth
How the BD BACTEC system detects bloodstream infection: the CO₂ fluorescence principle, what the vials contain and why (SPS, resins), the vial types, how a positive is worked up, a...
Blood Culture: Indications, Timing, and Volume
When to draw blood cultures, why volume beats timing, how many sets, what is inside the bottle and what SPS does, and why the blood-to-broth ratio is 1:5 to 1:10.
Bacteremia vs Septicemia vs Sepsis: Definitions, Types, Causes, and Pathophysiology
What bacteremia, septicemia, and sepsis mean and how they differ, the three types of bacteremia, how bacteria reach and persist in the blood, the common causative organisms, and wh...