Adrian Fogarty <[log in to unmask]>typed > There are very occasional medical exceptions to this, the most well known > and the only two I can think of right now being CABG and AIDs, each > pronounced as a word but unrelated to the topic in question. However, in > each of these examples the acronym was coined very shortly after the > condition or procedure arose. Headaches have been with us a long time now. > In saying that, "lone acute severe" ("severe" surely fits better than > "sudden" which is already covered by the word "acute", although some might > argue that point) does neatly describe the particular patient population in > question. But I still don't think it'll catch on... Maybe we should just abbreviate Severe Acute Headache as SAH to remind ourselves: 1) How confusing abbreviations can be & 2) How difficult it is to diagnose sub-arachnoid haemorrhage... -- Helen D. Vecht: [log in to unmask] Edgware.