Bad Blood: Secrets and Lies in a Silicon Valley Startup Highlight

The phlebotomists hadn’t been trained to use the centrifuge they’d been given and didn’t know how long or at what speed to spin down patients’ blood. When they arrived in Palo Alto, the plasma samples were often polluted with particulate matter. She also discovered that many of the blood-drawing tubes Theranos was using were expired, making the anticoagulant in them ineffective and compromising the integrity of the specimens.