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  2. Long QT syndrome - Wikipedia

    en.wikipedia.org/wiki/Long_QT_syndrome

    Long QT syndrome; ECG showing typical pattern of inherited Long QT syndrome (LQT1). A QT interval of >480 ms is considered abnormally long. Specialty: Cardiology: Symptoms: Fainting, hearing loss, seizures [1] Complications: Sudden death [1] Causes: Genetic, certain medications, low blood potassium, low blood calcium, heart failure [2] Risk factors

  3. Jervell and Lange-Nielsen syndrome - Wikipedia

    en.wikipedia.org/wiki/Jervell_and_Lange-Nielsen...

    Jervell and Lange-Nielsen syndrome (JLNS) is a rare type of long QT syndrome associated with severe, bilateral sensorineural hearing loss. [2] Those with JLNS are at risk of abnormal heart rhythms called arrhythmias , which can lead to fainting , seizures , or sudden death.

  4. Andersen–Tawil syndrome - Wikipedia

    en.wikipedia.org/wiki/Andersen–Tawil_syndrome

    Andersen–Tawil syndrome, also called Andersen syndrome and long QT syndrome 7, is a rare genetic disorder affecting several parts of the body. The three predominant features of Andersen–Tawil syndrome include disturbances of the electrical function of the heart characterised by an abnormality seen on an electrocardiogram (a long QT interval) and a tendency to abnormal heart rhythms ...

  5. Romano–Ward syndrome - Wikipedia

    en.wikipedia.org/wiki/Romano–Ward_syndrome

    Romano–Ward syndrome is a descriptive term for a group of subtypes of long QT syndrome, specifically subtypes LQT1-6 and LQT9-16. [8] Several subtypes of Romano–Ward syndrome have been described based on the underlying genetic variant. [5] These subtypes differ in clinical presentation and their response to treatment.

  6. Timothy syndrome - Wikipedia

    en.wikipedia.org/wiki/Timothy_syndrome

    The most striking sign of Timothy syndrome type 1 is the co-occurrence of both syndactyly (about 0.03% of births) and long QT syndrome (1% per year) in a single patient. . Other common symptoms include cardiac arrhythmia (94%), heart malformations (59%), and autism or an autism spectrum disorder (80% who survive long enough for evaluati

  7. Wikipedia:Osmosis/Long QT syndrome - Wikipedia

    en.wikipedia.org/.../Long_QT_syndrome

    Long QT syndrome, or LQTS, is when somebody’s QT interval is longer than normal, which should typically be less than half of a cardiac cycle. In fact, for a heart rate of 60 beats per minute, the QT interval’s generally considered to be abnormally long when it’s greater than 440 milliseconds in males or 460 milliseconds in females.

  8. College student dies after drinking Panera’s ‘charged ...

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  9. Torsades de pointes - Wikipedia

    en.wikipedia.org/wiki/Torsades_de_pointes

    Torsades de pointes is associated with long QT syndrome, a condition whereby prolonged QT intervals are visible on an ECG. Long QT intervals predispose the patient to an R-on-T phenomenon , wherein the R-wave, representing ventricular depolarization, occurs during the relative refractory period at the end of repolarization (represented by the ...