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Results for “BARIUM CARBONATE”

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At least 19 recordsLinked to original sources
PubMed1999

Preparation and Characterization of Carbonated Barium Hydroxyapatites.

Carbonated barium hydroxyapatite (Ba10(PO4)6(OH)2-2x(CO3)x, X = 0.30-0.57, BaHAP) particles with different Ba/P molar ratios were prepared by a wet method. CO2-3 ions were incorporated into OH- sites of a BaHAP lattice during the preparation at high solution pH. The obtained BaHAP particles were well crystallized and showed a high thermostability. On elevating the mixing temperature of H3PO4 and Ba(OH)2 solutions, the mean particle size of BaHAP particles decreased and their specific surface area increased. The amount of CO2 adsorbed irreversibly on BaHAP particles increased with an increase of their Ba/P molar ratio. Copyright 1999 Academic Press.

Journal Article↗
PubMed1991

The essential role of a poison center in handling an outbreak of barium carbonate poisoning.

Acute barium salt poisoning may cause acute hypokalemia and result in respiratory paralysis and ventricular tachyarrhythmias. The early nonspecific gastrointestinal symptoms of barium poisoning due to food contamination could be confused with other benign food poisonings. Early diagnosis and initiation of intensive supportive care is essential. We report an outbreak of acute barium carbonate poisoning, occurring at a family reunion party, which resulted in 9 hospital admissions. All of the victims initially developed nausea, vomiting, abdominal colic, dizziness and watery diarrhea followed by numbness of the face and distal extremities 1-2 h after ingesting fried flour-coated sweet potatoes. The flour was later confirmed to be contaminated with barium carbonate. One person died in the emergency room with a serum potassium level of 0.8 mEq/L. Two other victims developed ventricular tachycardia and respiratory paralysis but completely recovered with the treatment advice provided by the poison center. The poison center was successful in helping to make the correct diagnosis in a timely manner, immediately distribute the treatment protocol, and coordinate the laboratory confirmation of barium carbonate poisoning.

Adult↗
PubMed1990

Acute paralysis due to barium carbonate.

Poisoning due to barium carbonate (rat poison) resulting in areflexic quadriplegia and respiratory muscle paresis in a young patient is described. The various effects of barium salts on the human body and their treatment are highlighted.

Adult↗
PubMed2001

Barium carbonate poisoning mimicking Guillain-Barre syndrome.

Areflexic quadriplegia due to barium carbonate (rat poison) poisoning is described in two young patients. These cases very closely resembled Guillain-Barre syndrome. The various effects of barium carbonate along with the pathogenesis of hypokalaemic paralysis are highlighted.

Adolescent↗
PubMed1991

Barium carbonate intoxication.

A 22-year-old man attempted to commit suicide by swallowing an unknown amount of barium carbonate dissolved in hydrochloric acid. Shortly after ingestion, he developed crampy abdominal pain and generalized muscle weakness. About 2 h later, respiratory failure ensued necessitating orotracheal intubation and mechanical ventilation. Concomitantly, life-threatening arrhythmias including ventricular fibrillation occurred, and he had to be resuscitated for 45 min. After correction of severe hypokalemia (serum potassium 1.5 mmol/l), cardiac rhythm stabilized. In an attempt to accelerate removal of barium from the circulation hemodialysis was begun. During hemodialysis muscle strength returned. Pharmacokinetic analysis of serum barium levels suggest that hemodialysis shortened the serum half-life of barium. Subsequently, the patient made a complete and uneventful recovery. Our case demonstrates that severe barium poisoning can be survived provided that early aggressive therapeutic measures are undertaken. Hemodialysis seems to be efficacious in the therapy of barium intoxication.

Adult↗