title: Application of ultrasound in pulseless electrical activity (PEA) cardiac arrest.
authors: MD, Researcher, Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran. helale.rabiee@gmail.com.
authors: Helaleh
authors: H
authors: Rabiei
authors: MD, Professor of Neurosurgery, Research Vice Chancellor of Sina Trauma and Surgery Research Center, Department of Neurosurgery, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran, & AOSpine research officer of Middle East, & Director of national spinal cord injury in Iran . v_rahimi@sina.tums.ac.ir , v_rahimi@yahoo.com.
authors: Vafa
authors: V
authors: Rahimi-Movaghar