The majority of dizziness reported by patients attending accident and emergency has a benign cause, according to Hong Kong researchers.
They assessed 413 adults who presented with dizziness at a hospital over one month and followed them up after three months and then again after four years. They found a previous diagnosis of hypertension was the cause in 33 per cent of cases.
A central neurological cause of dizziness was found in only 6 per cent of patients.
The presence of ataxia symptoms, diabetes, or previous stroke were predictors of a central neurological cause.
The authors said: “Most dizzy patients had benign causes.”
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