Keyword Analysis & Research: qtc prolongation


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Keyword CPC PCC Volume Score Length of keyword
qtc prolongation0.790.596585016
qtc0.960.29329913
prolongation1.630.664991112

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Keyword CPC PCC Volume Score
qtc prolongation1.760.7659497

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  • Acquired long QT syndrome: Definitions, pathophysiology, and …

    uptodate.com

    https://www.uptodate.com/contents/acquired-long-qt-syndrome-definitions-pathophysiology-and-causes

    WebSep 21, 2022 · Before puberty, a QTc <450 ms is considered normal, between 450 and 459 borderline, and ≥460 prolonged. After puberty in males, a QTc between 460 and 469 is borderline and ≥470 is considered prolonged. In post-pubertal females, 460 to 479 is borderline and ≥480 ms is considered prolonged.

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  • Long QT syndrome - Symptoms and causes - Mayo Clinic

    mayoclinic.org

    https://www.mayoclinic.org/diseases-conditions/long-qt-syndrome/symptoms-causes/syc-20352518

    WebJan 12, 2024 · In long QT syndrome, the heart's electrical system takes longer than usual to recharge between beats. This delay is called a prolonged QT interval. It may be seen on an electrocardiogram (ECG). Long QT syndrome is often grouped into two main categories, depending on the cause. If you are born with the condition, it's called congenital long QT ...

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  • QT Interval • LITFL • ECG Library Basics - Life in the Fast Lane

    litfl.com

    https://litfl.com/qt-interval-ecg-library/

    WebMay 14, 2022 · The QT interval is inversely proportional to heart rate: The QT interval shortens at faster heart rates. The QT interval lengthens at slower heart rates. An abnormally prolonged QT is associated with an increased risk of ventricular arrhythmias, especially Torsades de Pointes.

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  • Long QT Syndrome - StatPearls - NCBI Bookshelf

    nih.gov

    https://www.ncbi.nlm.nih.gov/books/NBK441860/

    WebDec 26, 2022 · Due to the variation of QT interval with heart rate (higher heart rate has shorter QT interval, lower heart rate has longer QT interval), it is important to correct the QT interval for the heart rate. This is known as QTc. QTc is prolonged if it is greater than 440 ms in men or greater than 460 ms in women.

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  • QT prolongation: Definition, causes, treatment, and more

    medicalnewstoday.com

    https://www.medicalnewstoday.com/articles/qt-prolongation

    WebSep 30, 2021 · Normal QT interval: 0.35–0.44 seconds; Borderline QT interval: 0.44–0.46 seconds; Prolonged QT interval: More than 0.46 seconds; For adult males: Normal QT interval: 0.35–0.43 seconds

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  • Corrected QT Interval (QTc) - MDCalc

    mdcalc.com

    https://www.mdcalc.com/calc/48/corrected-qt-interval-qtc

    WebCorrected QT Interval (QTc) Corrects the QT interval for heart rate extremes (choose from Bazett, Fridericia, Framingham, Hodges, or Rautaharju formulas). When to Use.

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  • Long QT Syndrome: Symptoms & Treatment - Cleveland Clinic

    clevelandclinic.org

    https://my.clevelandclinic.org/health/diseases/17183-long-q-t-syndrome-lqts

    WebMar 20, 2023 · Long QT syndrome is a problem with the electrical system in your heart taking too long to recharge. This issue can lead to a life-threatening type of abnormal heart rhythm. People can inherit or acquire long QT syndrome. Most people take medication for long QT. Others may need a device or surgery to lower their risk of abnormal heart rhythms.

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  • Long QT syndrome - Diagnosis and treatment - Mayo Clinic

    mayoclinic.org

    https://www.mayoclinic.org/diseases-conditions/long-qt-syndrome/diagnosis-treatment/drc-20352524

    WebJan 12, 2024 · In a prolonged QT interval, it takes longer than usual for the heart to recharge between beats. This is the most common test used to diagnose long QT syndrome. An ECG is a quick and painless test that records the electrical signals in the heart.

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  • Acquired long QT syndrome: Clinical manifestations ... - UpToDate

    uptodate.com

    https://www.uptodate.com/contents/acquired-long-qt-syndrome-clinical-manifestations-diagnosis-and-management

    WebFeb 6, 2023 · The long QT syndrome (LQTS) is a disorder of myocardial repolarization characterized by a prolonged QT interval on the electrocardiogram (ECG) ( waveform 1 ). This syndrome is associated with a characteristic life-threatening form of polymorphic ventricular tachycardia known as torsades de pointes (TdP) ( waveform 2A-B ).

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  • Long-QT Syndrome | Circulation: Arrhythmia and Electrophysiology

    ahajournals.org

    https://www.ahajournals.org/doi/full/10.1161/CIRCEP.111.962019

    WebLQTS is typically characterized by a prolongation of the QT interval on the ECG and by the occurrence of syncope or cardiac arrest, mainly precipitated by emotional or physical stress.

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