H’s and T’s Mnemonic - Causes of Cardiac Arrest H's - Hypovolemia, Hypoxia, Hydrogen Ions (acidosis), Hyperkalemia / Hypokalemia, Hypothermia, Hypoglycemia T's - Toxins / Tablets, Tamponade, Tension Pneumothorax, Thrombosis (Myocardial Infarction), Thromboembolism (Pulmonary), Trauma #Hs #Ts #Mnemonic #Cardiac #Arrest #Causes #differential #diagnosis #acls #checklist