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Platelets (Blood Component)

This Medical Laboratory Science lesson in Blood Bank supports laboratory science learning and laboratory interpretation for medical laboratory students and professionals.

Recognize platelet concentrates and apheresis platelets as room-temperature, continuously agitated products, and apply the swirling/visual-inspection checks the laboratory must perform to detect loss of viability or agitation failure before issue.

Intermediate28 min read15 sectionsBlood Bank
Section 1 of 150%

Learning Objectives

Getting started

Section 1 of 15

Learning Objectives

Learning Objectives

Section: Learning Objectives

Each objective below describes a transfusion-service laboratory competency, product integrity, labeling, storage, and issue practice first; clinical treatment protocols second.

  • Describe how platelet concentrates and apheresis platelets are prepared and why they are stored at room temperature under continuous agitation rather than refrigerated
  • Apply the swirling (swirl sign) visual-inspection check as a release criterion and interpret loss of swirling as a laboratory hard stop
  • Explain the bacterial-contamination rationale behind room-temperature storage time limits and the laboratory-level mitigation steps used to manage that risk

Section 1 of 15