“H’s & T’s“ - The reversible causes of Cardiac Arrest Hypovolemia, Hypoxia/Hypoxemia, Hydrogen Ion Excess (Acidosis), Hypokalemia/Hyperkalemia, Hypothermia Tamponade (Cardiac), Toxins, Tension Pneumothorax, Thrombosis (Pulmonary), Thrombosis (Coronary) #HsTs #acls #differential #diagnosis #arrest #management