Anesthesia Technologist Practice Exam

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What is the consequence of co-aspiration of air with blood in autotransfusion?

Increased blood viscosity
Hemoconcentration
Increased turbulence during aspiration
Decreased oxygen saturation

The correct answer is: Increased turbulence during aspiration

Co-aspiration of air with blood during autotransfusion can lead to increased turbulence during aspiration. This occurs because the introduction of air bubbles into the blood can disrupt the laminar flow, leading to a chaotic movement of blood that can create turbulence. This turbulence can affect the efficiency of the aspiration process, complicating the collection of blood and potentially damaging red blood cells as they interact with air. Understanding the mechanics behind this process is crucial for maintaining the integrity and safety of blood during autotransfusion. Importantly, maintaining a smooth flow is essential to minimize hemolysis and to ensure that the autotransfusion system functions effectively. This is why recognizing the impact of air on blood flow is critical for anesthesia technologists and those in related fields.