Cases reported "Paresthesia"

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1/5. A foxy intoxication.

    Foxy is the colloquial name for the hallucinogen 5-ethoxy-diisopropyltryptamine (5-MeO-DIPT). A non-fatality involving a 23-year-old Caucasian man who ingested a capsule containing 5-MeO-DIPT is described. He presented to the Emergency Department, not with visual nor auditory hallucinations but with sensory hallucinations, that of formication and paranoia. He was observed and given supportive care for 4 h, then discharged without any known sequelae. blood and urine were collected for laboratory analyses. Foxy and its metabolites were identified in urine by gas chromatography-mass spectrometry. The concentrations of 5-MeO-DIPT in the serum and urine were 0.14 and 1.6 microg/mL, respectively. The drug undergoes oxidative deamination to form 5-methoxy-indole acetic acid. The urinary concentration of this metabolite was 0.17 microg/mL. Also, the urine contained three other related compounds. Two of them have been described in a previous case of 5-MeO-DIPT ingestion as 5-methoxy-isopropyltryptamine (5-MeO-IPT) and 5-methoxy-diisopropyltryptamine-N'-oxide (5-MeO-DIPT-N'-oxide). The third compound was substantially present in the urine and was tentatively identified as 5-hydroxy-diisopropyltryptamine (5-OH-DIPT). Only the parent drug, 5-MeO-DIPT was detected in the serum sample.
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ranking = 1
keywords = intoxication
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2/5. Methyl bromide intoxication causes reversible symmetric brainstem and cerebellar MRI lesions.

    Methyl bromide is toxic to the central and peripheral nervous systems. A patient with occupational exposure to this agent is described. MRI showed strikingly symmetric brainstem and cerebellar lesions. The patient's clinical course and the topography and resolution of his MRI abnormalities suggest that this condition is an energy deprivation syndrome.
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ranking = 1
keywords = intoxication
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3/5. Torsade de pointes and T-U wave alternans associated with arsenic poisoning.

    Arsenic intoxication is a common form of heavy metal poisoning. Although arsenic-induced circulatory collapse, seizures, and syncope are well known, the potential for serious ventricular arrhythmias is less well recognized. Reported in this study are two cases of arsenic poisoning causing torsade de pointes. Furthermore, marked prolongation of the QT-U interval and the rarely observed phenomenon of T-U wave alternans are demonstrated. Thus, arsenic intoxication may be complicated by prolongation of the QT-U interval and torsade de pointes. T-U wave alternans occurs in the presence of a long QT-U interval and may be an electrocardiographic warning sign of torsade de pointes.
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ranking = 0.5
keywords = intoxication
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4/5. Characteristics of pyridoxine overdose neuropathy syndrome.

    A newly recognised neurotoxic syndrome due to pyridoxine (B6) overdose is described. It is the largest series of B6 intoxication hitherto reported. A raised serum B6 level was present in 172 women of whom 60% had neurological symptoms, which disappeared when B6 was withdrawn and reappeared in 4 cases when B6 was restarted. The mean dose of B6 in the 103 women with neurological symptoms was 117 /- 92 mgs, compared with 116.2 /- 66 mgs in the control group. There was a significant difference (P less than 0.01) in the average duration of ingestion of B6 in the neurotoxic group of 2.9 /- 1.9 years compared with 1.6 /- 2.1 years in controls. The symptoms were paraesthesia, hyperaesthesia, bone pains, muscle weakness, numbness and fasciculation, most marked on the extremities and predominantly bilateral unless there was a history of previous trauma to the limb. These women were taking a lower dose of B6 than previously described (1,2), which may account for the complete recovery within 6 months of stopping B6.
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ranking = 0.25
keywords = intoxication
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5/5. Unusual manifestations of arsenic intoxication.

    A patient with arsenic intoxication is reported, who presented with a variety of gastrointestinal and neurologic disturbances including unilateral facial nerve palsy and acute symptomatic pancreatitis, neither of which have been previously described as sequelae of arsenic poisoning. The patient also suffered hematologic, dermatologic, and cardiopulmonary complications. A review of the literature about this interesting problem is also presented.
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ranking = 1.25
keywords = intoxication
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