The Clinical Research Coordinator (CRC) will assist in the conduct of two primary research studies at Zuckerberg San Franciso General Hospital (ZSFG). The first study is a validation of the Hemosonics LLC QStat cartridge with ROTEM thromboelastography assay. This study will collect specimens from trauma and obstetric patients suffering from major hemorrhage. Duties will include, but are not limited to performing the QStat assay, performing necessary quality control testing on the Hemosonics instrument and following any manufacturer requirements. Collecting ROTEM clinical data, deidentifying specimens and submitting collated data to study sponsor along with QStat data. Performing chart reviews to determine details such as total transfusion, administration of antifibrinolyt