QT interval: the measurement interval from the beginning of the QRS complex to the end of the T wave on the surface electrocardiogram (ECG). This represents the period from the onset...
Incidental finding on ECG in asymptomatic patients
Evaluate for syncope, presyncopal episodes, palpitations, and associated precipitating events (emotional triggers, swimming, diving).
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Treat VT, TdP, and VF emergently per ACLS guidelines.
Withdraw offending agents and correct electrolytes.(2)[C].
Transvenous cardiac pacing or isoproterenol may be used for dru...
Consider ECG and/or outpatient cardiac rhythm monitoring wi...
Drug and Therapeutics Bulletin. QT interval and drug therapy. BMJ. 2016;353:i2732.
Fortescue EB. A piece of my mind. Keeping the pace. JAMA. 2014;311(23):2383–2384. [Vie...
9651007 Long QT syndrome (disorder)
442946007 Aquired long QT syndrome
442917000 Congenital long QT syndrome
Evaluate for acquired causes before making a diagnosis of hereditary LQTS.
For accurate diagnosis, calculate QTc manually.
The ideal management of TdP is prevention; avoid multiple “stac...
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