Underlying causes of PEA arrest: H’s and T’s Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia Toxins, Tamponade, Tension Pneumothorax, Thrombosis (heart: acute, massive MI), Thrombosis (lungs: massive PE) #PEA #arrest #HsTs #Differential #Diagnosis #Table #CardiacArrest