Reduce stress associated with needle aspiration, in voluntary and replacement blood donors.

This study has not been completed.

The purpose of the study is to investigate the effectiveness of Virtual Reality (as a form of distraction) to reduce the stress associated with extraction needle puncture in the volunteer blood donors and reposition of Fixed Collection of the Valparaiso Blood Center, Of the Valparaíso San Antonio Health Service.

Inclusion Criteria:

• Able to understand and / or visualize the numerical scale of pain
• Spanish spoken
• Greater than 50 Kilograms of weight
• Blood hemoglobin: Greater than 12.5 g% in women and greater than 13.5 g% in men
• Have been accepted as a blood donor.

Exclusion Criteria:

• Unable to understand and / or visualize the numerical scale of pain
• Does not speak Spanish
• Less than 50 Kilograms
• Blood hemoglobin: Less than 12.5 g% in women and less than 13.5 g% in men.
• Have been rejected as a blood donor.

Blocks swapped.