A simple mnemonic can be used to remember the common causes of treatable cardiac arrest.
The 5 H's:
(1) hypoxia
(2) hypovolemia
(3) hydrogen ion excess (acidosis)
(4) hypo or hyperkalemia
(5) hypothermia
The 5 T's:
(1) toxins
(2) tamponade
(3) tension pneumothorax
(4) thrombosis, pulmonary embolism
(5) thrombosis, coronary
