QT prolongation and syncope with methadone, doxepin, and a beta-blocker

MeSH terms

• Adrenergic beta-Antagonists / administration & dosage
• Adrenergic beta-Antagonists / adverse effects*
• Adrenergic beta-Antagonists / therapeutic use
• Adult
• Anxiety Disorders / complications
• Anxiety Disorders / drug therapy
• Doxepin / administration & dosage
• Doxepin / adverse effects*
• Doxepin / therapeutic use
• Electrocardiography
• Humans
• Long QT Syndrome / chemically induced*
• Male
• Methadone / administration & dosage
• Methadone / adverse effects*
• Methadone / therapeutic use
• Substance-Related Disorders / complications
• Substance-Related Disorders / rehabilitation
• Syncope / chemically induced*
• Tachycardia / complications
• Tachycardia / drug therapy