Inappropriate Arginine Vasopressin Levels and Hyponatremia Associated with Cyclic Vomiting Syndrome

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Inappropriate Arginine Vasopressin Levels and Hyponatremia Associated with Cyclic Vomiting Syndrome

We herein describe two children who presented with attacks of severe cyclic vomiting. The primary case was a 2.5-year-old girl with a history of several admissions with vomiting and altered mental status. She was diagnosed with cyclic vomiting syndrome (CVS). During her attacks she developed significant hyponatremia on several occasions, which prompted us to measure plasma arginine vasopressin ...

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Hyponatremia, arginine vasopressin dysregulation, and vasopressin receptor antagonism.

Hyponatremia is often associated with arginine vasopressin (AVP) dysregulation that is regulated by the hypothalamo-neurohypophyseal tract in response to changes in plasma osmolality, commonly in patients with the syndrome of inappropriate antidiuretic hormone secretion (SIADH). Potentially lethal complications of hyponatremia most frequently involve the central nervous system and include anore...

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Cyclic Vomiting Syndrome

Obscure gastrointestinal bleeding constitutes approximately fi ve percent of all gastrointestinal bleeding cases. Patients with this condition are often diffi cult to diagnose and frequently undergo extensive GI testing. This is no news item to all gastrointestinal specialists. The following cases highlight several different presentation scenarios, the long road to correct diagnosis, and some i...

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Cyclic Vomiting Syndrome

Cyclic vomiting syndrome (CVS) is a chronic functional disorder characterized by episodes of severe nausea and vomiting that alternate with prolonged symptom-free intervals.1 Symptoms are often triggered by social stress; episodes can occur after the loss of a loved one, job-related stress, during exams, and even on vacations.2 The etiology of CVS is not known, but several theories have been pr...

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Cyclic vomiting syndrome treated successfully with fluoxetin.

Cyclic vomiting syndrome (CVS) is defined as severe vomiting attacks which initiate suddently, recur with certain intervals, may last for hours and days and generally limit themselves. During attacks, signs including nausea, abdominal pain, photophobia, fever, palor, dehydratation, excessive saliva secretion and social isolation may accompany vomiting. Patients are completely healthy during the...

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ژورنال

عنوان ژورنال: Case Reports in Gastroenterology

سال: 2015

ISSN: 1662-0631

DOI: 10.1159/000373884