ASCP exam prep since 2012
Pass the MLS exam. One high-yield page at a time.
Free notes, charts and exam strategy for the MLS, MLT and international ASCPi exams, written by a certified MLS who passed it.
X factor (hemin) and V factor (NAD)
Staph aureus releases both as byproducts, so Haemophilus grows in a ring around it on sheep blood agar. This is called satelliting. See the chart →
Leptospira
A spirochete spread by the urine of infected animals such as rats and cattle, or by water and soil contaminated with it. See the chart →
Coagulase-negative staphylococci (classically S. epidermidis)
Slime (biofilm) lets it colonize catheters and prosthetic valves, making it a leading cause of hospital-acquired infections. See the chart →
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