The presence of 4 simple historical features can accurately diagnose migraine. Several individual clinical features were found to be associated with a significant intracranial abnormality, and patients with these features should undergo neuroimaging.

No abstract

The presence of abnormal opacity overlying the vertebral column on lateral chest radiography increases the probability of lower lobe and associated structural pathology somewhat. The absence of this finding decreased the probability of such pathology to a greater degree. Thus, this finding is useful in differentiating those patients with pathology from those without.

342:1581-1589. 3. Molla AM, Rahman M, Sarker SA, Molla A. Stool electrolyte content and purging rates in diarrhea caused by rotavirus, enterotoxigenic E. coli, and V. cholerae in children. J Pediatr. 1981;98:835-838. 4. Yeates KE, Singer M, Morton RA. Salt and water: a simple approach to hyponatremia.

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