EDMUND B. FLINK, M.D., M.A.C.P.
In the Brief Report in this issue, "Dysphagia and Vertical Nystagmus in Magnesium Deficiency," Hamed and Lindeman describe dysphagia as a major presenting symptom of magnesium deficiency, a previously unrecognized symptom of this multifaceted illness, which had developed in a patient as a consequence of the short-bowel syndrome. Esophageal peristalsis was absent but the patient did not have esophageal obstruction. The patient also manifested vertical nystagmus, which had been noted before by the Oklahoma group (1); this sign is uncommon and often missed. I have seen this nystagmus only once, in a woman receiving total parenteral nutrition at a time
FLINK EB. Dysphagia in Magnesium Deficiency. Ann Intern Med. ;89:282. doi: 10.7326/0003-4819-89-2-282
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Published: Ann Intern Med. 1978;89(2):282.
Esophageal Disorders, Gastroenterology/Hepatology.
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