Reversible causes of pulseless electrical activity (PEA) are classically categorized into the “4 H’s and 4 T’s”: H ypovolemia, H ypoxia, H ydrogen ion excess (acidosis), H ypo-/ H yperkalemia , and T ension pneumothorax, Cardiac T amponade, T oxins, T hrombosis . This scheme is usually reported for…