Patient (condition)
Aliases:
Topic aliases are alternate phrasings for a particular topic.
Prolonged QT Syndrome
LQTS
Qtc Prolongation
2
"Long QT syndrome is a congenital disorder characterized by a prolongation of the QT interval on electrocardiograms (ECGs) and a propensity to ventricular tachyarrhythmias, which may lead to syncope, cardiac arrest, or sudden death."
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May 23, 2012
A condition that is characterized by episodes of fainting ( SYNCOPE) and varying degree of ventricular arrhythmia as indicated by the prolonged QT interval. The inherited forms are caused by mutation of genes encoding cardiac ion channel proteins. The two major forms are ROMANO WARD-SYNDROME and JERVELL LANGE-NIELSEN-SYNDROME.
www.nlm.nih.gov/cgi/mesh/...
www.nlm.nih.gov/cgi/mesh/...
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Jan 01, 2013
Treatment principles for cardiac arrythmias in the setting of QT prolongation.
Treat cause,
Cardioversion,
Overdrive Pacing,
Isoprenaline,
Magnesium 30mg/kg (or 1-2g) over 2-3 minutes as a bolus,
Phenytoin 1g,
Mexilitine or lignocaine,
Avoid class Ia, Ic and III antiarrythmics #ref
Treat cause,
Cardioversion,
Overdrive Pacing,
Isoprenaline,
Magnesium 30mg/kg (or 1-2g) over 2-3 minutes as a bolus,
Phenytoin 1g,
Mexilitine or lignocaine,
Avoid class Ia, Ic and III antiarrythmics #ref
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May 23, 2012
At increased risk of torsade de pointe. Do not use amiodarone if this occurs. #ref #improve refl.in/4b
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Sep 01, 2011
Avoid drugs that prolong the QT interval (eg haloperidol, droperidol, amiodarone, amitryptiline, halothane, clarithromycin) refl.in/4b
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Sep 01, 2011
Consider avoiding Ondasetron as it may prolong the QT interval refl.in/iw
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Dec 17, 2012