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Published 14 April 2009, doi:10.1136/bmj.b1503
Cite this as: BMJ 2009;338:b1503
| The first 150 words of the full text of this article appear below. |
Doctors listening to the chests of patients with left ventricular failure will remember that not all that wheezes is asthma. Similarly, when low mood strikes our patients we need to remember that not all that weeps is depression. Adjustment disorders, bereavement, dysthymia, and borderline personality traits can all present with low mood, and are not depression but are easily mislabelled.
The hospital anxiety and depression scale (HADS), Beck depression inventory (BDI), and 9 item patient health questionnaire (PHQ-9) are all markers of the severity of depression.1 PHQ-9 and HAD are also screening tools to judge the probability that depression is present. They are not diagnostic tools. In particular the fragile labile mood and need for instant relief because of low frustration tolerance that feature in borderline personality traits can give very odd results with these tools. Often the score is heavily shifted to the severe end.
In the study by
Petre T C Jones, general practitioner1
1 The Project Surgery, London E13 0LN
Petre.JOnes@gp-f84750.nhs.uk