The mnemonic
SEH
What each word stands for
- SStasis of blood flow
- EEndothelial injury
- HHypercoagulability
Why it matters clinically
Explains risk in immobilised, postoperative, cancer and pregnant patients, and guides prophylaxis.
Where it stops being reliable
Names the three factors but does not quantify risk or specify which prophylaxis to use.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.