The purpose of this research study is to compare two methods of recovering blood from surgical sponges used during heart and lung surgeries. The two methods are: 1) manually wringing sponges by hand, and 2) automated wringing sponges by an FDA approved suction device. Both methods are already in use in heart and lung surgeries at University Hospitals at the discretion of the surgeon.
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Level of Plasma Free Hemoglobin
Timeframe: Baseline
Level of Plasma Free Hemoglobin
Timeframe: Post-Processing (Up to 120 Minutes)
Change in Volume of Blood
Timeframe: Baseline, Post-Processing (Up to 120 Minutes)