200
Mnemonic for remembering reversible causes of cardiac arrest (name at least 3).
What are the H's and T's?
H's (Hyper/hypo-kalemia, Hydrogen ions [H+, acid imbalance], Hyper/hypo-thermia, Hypoglycemia [also hyperglycemia], Hypoxia).
T's (Tension pneumothorax, Toxin [toxic ingestion], Trauma, Thromboembolism [PE], Tamponade [cardiac], Thrombosis [MI]).