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Prolonged QT

A 41-year-old member asked:
Dr. Christopher White
Cardiology 43 years experience
ECG measurement: Qt intervals are measured on a heart electrocardiogram (ecg). They measure "repolarization". Longer qt intervals may be associated with arrhythmias ... Read More
Dr. Warren Foster
Cardiac Electrophysiology 20 years experience
Prolonged QT: The qt interval is an ECG representation of the time it takes for electricity to pass through the heart muscle in the bottom two chambers. Normally, ... Read More

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A 37-year-old member asked:
Dr. Jesus Yap
Cardiology 53 years experience
Abnormal EKG : The qt interval is the interval from the beginning of the q-wave and the end of the t wave in the ekg . It represents the total electro-mechanical d... Read More
Dr. Jesus Yap
Cardiology 53 years experience
Risk of arrhythmia: Qt interval is measured by ekg and starts at the beginning of the q wave and the end of the t wave . It represents the total electro-mechanical durat... Read More
Dr. Warren Foster
Cardiac Electrophysiology 20 years experience
Prolonged QTc: The QT interval represents the time it takes for the electricity to pass through the bottom 2 heart chambers. Normally, the QT shortens with faster h... Read More
A 41-year-old member asked:
Dr. Alan Ali
Dr. Alan Alianswered
Psychiatry 32 years experience
Prolonged QT syndrom: This is a rare inborn heart condition which result in irregular heart beats that originate from the ventricles. Symptoms are palpitations, fainting & ... Read More
A 25-year-old female asked:
Dr. Ira Friedlander
Cardiac Electrophysiology 42 years experience
We often use: beta blockers to assist in the treatment of patients with Long QT syndrome and propranolol is a beta blocker. In general we use longer acting beta blo... Read More
A 38-year-old member asked:
Dr. Rick Koch
Cardiology 22 years experience
Qt: Qt interval is a measure of electrical repolarization in the heart. Medications can cause prolongation as well as slower heart rates. Get evaluated.
A 43-year-old member asked:
Dr. Rick Koch
Cardiology 22 years experience
Genetic?: If its genetic then no & you should consult an electrophysiologist. If drug induced....Then discontinuing the offending medication should restore thi... Read More
A 25-year-old female asked:
Dr. Ira Friedlander
Cardiac Electrophysiology 42 years experience
Yes.: Without knowing your heart rate for the QT of 434 I cannot say if it is normal or not however assuming a heart rate between 60 and 80 this would be OK... Read More
A 42-year-old female asked:
Dr. Bahman Omrani
Pain Management 17 years experience
not impossible : You certainly don't want to remain on Methadone if you have prolonged qt. Risk of sudden cardiac death is real, especially at higher doses. If taperin... Read More
A 39-year-old female asked:
Dr. Vythilingam Alagappan
Bariatrics 39 years experience
H2 Blockers: Pepcid AC or Zantac (ranitidine) will be choices
A 33-year-old female asked:
Dr. Liviu Klein
Cardiology 23 years experience
Most: Quinolone or macrolide antibiotics are the ones mostly associated with prolonged QT. The other classes are safer. As always, beware of interactions wi... Read More

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