Memory hack to NEVER FORGET the reversible causes of cardiac arrest. A highly examinable question and essential knowledge that could help you save a patients life.
🔥Been here before? Test your active recall before revealing the answers!
🔐Remember the reversible causes of cardiac arrest: H&Ts
H – Hypovolaemia
H – Hyperkalaemia (electrolyte abnormalities)
H – Hypothermia
H – Hypoxia
T – Thrombosis (VTE/MI)
T – Tension pneumothorax
T – Toxins
T – Tamponade
The Hs are generally those that are LOW (hypoxia, hypovolaemia, hypothermia). Other than hyperkalaemia (but this signifies electrolyte abnormalities which may be high or low)
You may prefer to remember Ts as “Throw (thrombus) Ten (tension pneumothorax) Toxic (toxins) Tampons (tamponade)”
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