Provides interventions including, but not limited to, arterial line placement, central line placement (internal jugular or femoral lines), pulmonary artery catheter placement, lumbar puncture, intubations, chest tube removal, and thoracentesis; makes rounds with the interdisciplinary teams. Provides assessment, triage, and therapeutic management of patient/family needs throughout the disease process as an integral part of an interdisciplinary team, according to the age/needs of the patient/population served; acts under the authority and supervision of the attending physician in accordance with regulations, hospital policy, protocols, guidelines and clinical pathways.