Treatable Causes of Cardiac Arrest: The H’s and T’s
H’s T’s
Hypoxia Toxins
Hypovolemia Tamponade (cardiac)
Hydrogen ion (acidosis) Tension pneumothorax
Hypo-/hyperkalemia Thrombosis, pulmonary
Hypothermia Thrombosis, coronary
  • For further explanation of the H’s and T’s, see Part 12: “Special Resuscitation Situations.”