torsades de pointes/bulantı

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Torsade de Pointes after administration of droperidol for nausea and vomiting.

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We report an emergency medical services (EMS) case of self-limited torsade de pointes after administration of droperidol for nausea and vomiting in a patient with potential predisposing factors for the development of prolonged QT interval. Despite the reported association with torsade de pointes,

Overdrive pacing in a patient with incessant torsades de pointes.

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A 75-year-old man presented to the emergency department (ED) for syncope and was found to have intermittent runs of torsades de pointes (TdP). The patient had a medical history significant for disseminated coccidiomycosis and was on prophylactic fluconazole. Forty-eight hours prior to presentation,

Intravenous Amisulpride Does Not Meaningfully Prolong the QTc Interval at Doses Effective for the Management of Postoperative Nausea and Vomiting.

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Postoperative nausea and vomiting (PONV) are significant issues in surgical patients, and additional treatment options are needed. Dopaminergic antiemetics have been popular for their efficacy, but their use has been limited by safety concerns, especially the potential for torsade de

[An electrocardiographic abnormality called torsade de pointes in a patient of subarachnoid hemorrhage].

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We report the findings in a patient in whom torsade de pointes atypical ventricular tachycardia occurred as a complication of subarachnoid hemorrhage. The patient was a 54-year-old female and she was admitted to our hospital to treat gastric ulcer on October 8, 1985. The electrocardiogram on

Torsades de pointes following clarithromycin treatment.

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A 75-year-old woman presenting with pre-syncope, shortness of breath and nausea was admitted to the emergency department following treatment with clarithromycin. Shortly after admission she developed a prolonged QT interval leading to torsades de pointes (TdP) and cardiac arrest. She was

Cardiac safety concerns for ondansetron, an antiemetic commonly used for nausea linked to cancer treatment and following anaesthesia.

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BACKGROUND Ondansetron is a 5-HT₃ receptor antagonist commonly used as an antiemetic to prevent nausea and vomiting associated with anti-cancer drugs, cancer radiotherapy or postoperatively. Recently, the US Food and Drug Administration (FDA) issued a warning for ondansetron due to a potential for

Effect of intravenous ondansetron on QT interval prolongation in patients with cardiovascular disease and additional risk factors for torsades: a prospective, observational study.

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BACKGROUND The 5-hydroxytryptamine type 3 antagonists, or setrons (eg, ondansetron), are commonly used for nausea and vomiting in the hospital setting. In 2001, droperidol was given a black box warning because it was found to prolong the QT interval and induce arrhythmias. The setrons share with

Mirtazapine's effect on the QT interval in medically hospitalized patients.

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Mirtazapine is generally well tolerated in medically ill patients with and without formal psychiatric comorbidity to target sleep, appetite, nausea, and pain. However, there is little data regarding mirtazapine's potential to prolong the corrected QT interval (QTc) in this

Vernakalant. Too dangerous in atrial fibrillation.

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The usual aim of treatment for patients with symptomatic paroxysmal or recent-onset atrial fibrillation, including after cardiac surgery, is to slow the heart rate. Electrical and drug (amiodarone) cardioversion are other options. Vernakalant, an antiarrhythmic drug, has been authorised in the

The effects of droperidol and ondansetron on dispersion of myocardial repolarization in children.

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OBJECTIVE To compare the effects of droperidol and ondansetron on electrocardiographic indices of myocardial repolarization in children. OBJECTIVE To refine understanding of the torsadogenic risk to children exposed to anti-emetic prophylaxis in the perioperative period. BACKGROUND QT interval

Safe and effective conversion of persistent atrial fibrillation to sinus rhythm by intravenous AZD7009.

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BACKGROUND Acute drug conversion of persistent atrial fibrillation usually fails. OBJECTIVE The purpose of this study was to test the proarrhythmic potential, safety, and efficacy of the novel antiarrhythmic agent AZD7009 in patients with persistent atrial fibrillation (AF) or atrial flutter (mean

Cardiovascular causes of loss of consciousness in patients with presumed epilepsy: a cause of the increased sudden death rate in people with epilepsy?

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BACKGROUND, METHODS, AND RESULTS: Syncope and seizures are often indistinguishable clinically. We present a series of 12 patients diagnosed as having epilepsy. Despite normal or nonspecific electroencephalographic findings, 11 of 12 patients were treated or offered treatment with long-term

Droperidol: should the black box be light gray?

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In December 2001, the United States Food and Drug Administration (FDA) added a "black box" warning to the labeling for droperidol stating that all doses, even those typically used for postoperative nausea and vomiting, were potentially associated with malignant ventricular dysrhythmias, including

Tachycardia's toll: tachycardia induced cardiomyopathy--a case study.

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Cardiac arrhythmias are a well known cause of mortality for patients with heart disease. However, sinus tachycardia is a more unusual arrhythmia which can lead to serious heart damage or death. Even young patients with structurally normal hearts may become gravely ill. This case study outlines the

Ranolazine: new drug. Stable angina: not worth the risk.

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(1) Betablockers such as atenolol are the first-line symptomatic treatment for stable angina. Calcium channel blockers such as verapamil and amlodipine are second-line alternatives; (2) Ranolazine is now authorized for symptomatic adjuvant treatment of angina in patients who are poorly controlled by

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