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What does a blood transfusion replace?

A transfusion replaces a specific blood component or substance, not “blood” in general. Select the product that addresses the clinical problem.

When may red blood cells be indicated?

Red blood cells provide oxygen-carrying cells and may be used for clinically significant anemia that impairs oxygen delivery or for red-cell replacement during major blood loss.

What is a common red-cell approach for a stable, nonbleeding adult?

For a stable, nonbleeding adult, a common approach is to give one unit and then reassess. Individual needs vary.

When may platelet transfusion be considered?

Platelets may treat or prevent bleeding when platelet numbers are low or platelet function is impaired. A platelet count alone does not determine the need for transfusion.

What is plasma used for, and what is it not?

Plasma provides multiple clotting factors and may be used for bleeding or bleeding risk with a significant factor deficiency when specific factor treatment is unsuitable or unavailable. It is not a volume expander or general nutrition product.

What deficit can cryoprecipitate address?

Cryoprecipitate provides concentrated fibrinogen and may be used for low fibrinogen associated with critical bleeding or another appropriate clinical indication.

How do plasma-derived medicinal products differ from blood components?

They provide specific purified or manufactured plasma proteins, such as albumin, immunoglobulins, or clotting-factor concentrates. They are distinct from transfusable components and have product-specific instructions.

How are red blood cells commonly stored in the United States?

In the United States, red blood cells are commonly refrigerated at 1–6 °C in a designated, monitored blood-storage refrigerator—not an ordinary ward refrigerator.

How are routine platelets usually stored?

Routine platelets are usually stored at 20–24 °C with gentle, continuous agitation. Their room-temperature storage requires attention to bacterial-risk controls and labeled expiration.

What storage precautions apply to thawed plasma and cryoprecipitate?

Frozen plasma and cryoprecipitate must be kept frozen as specified for the product. After thawing, storage time and temperature are limited and product-specific; do not refreeze unless the label and procedure explicitly permit it.

What must be checked at the bedside before transfusion?

Match the patient and product identifiers, component, compatibility information, expiration, and any special requirements. Stop and resolve any discrepancy before starting.

What is the priority response to a suspected transfusion reaction?

Stop the transfusion, assess the patient, and call for clinical help. Maintain IV access as directed, notify the transfusion service, and follow the facility’s reaction procedure.