What is Long QT Syndrome (LQTS)?
LQTS is a disturbance of the heart’s electrical system. It is caused by abnormalities of microscopic pores (proteins) in the heart cells called ion channels.
What Are The Symptoms?
Cardiac arrest or fainting due to trademark cardiac arrhythmia called torsade de pointes
Family history - of a SADS diagnosis
SADS symptoms
Sudden unexplained death of a family member under 50 years of age
Nearly half of patients with LQTS NEVER have a symptom!
What Tests Can Diagnosis?
Echocardiogram (ECG) –to rule out a cardiomyopathy
More than 1 resting ECG
A treadmill stress test with an ECG
An epinephrine, procainamide (Brugada), or catecholiminergic (CPVT) drug study – where the effects of drugs on the heart are analyzed
A Holter or event monitor
Genetic Testing
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What Are The Treatments?
AED
ICD
Medication, beta blockers
Left Cardiac Sympathectomy Denervation (LCSD)
Avoid drugs that can prolong the QT Interval
Do You Think You Or Someone You Know Could Be At Risk?
Can you answer yes to ant screening questions?
Contact an Electrical Cardiologist ASAP
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