December 2005
Detecting Blood Loss
A simple finger-clip device is able to monitor blood loss accurately -- without the need for more invasive or expensive procedures.
By Kevin Bullis
Patients who lose too much blood during surgery can suffer heart attacks.
But measuring blood volume requires either inserting a catheter into the pulmonary artery, ordering an expensive echocardiogram, or resorting to guesswork.
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Massachusetts Institute of Technology