How long QT syndrome is diagnosed?
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Oliver White
Works at the International Renewable Energy Agency, Lives in Abu Dhabi, UAE.
As a medical professional with expertise in cardiology, I can provide you with information on the diagnosis of Long QT Syndrome (LQTS). The diagnosis of LQTS can be complex and may take some time due to its variable presentation. It often involves a combination of methods, including:
1. Medical history: Understanding the patient's symptoms, family history of LQTS or sudden cardiac death, and any triggers for episodes.
2. Physical examination: Checking for signs of heart problems.
3. Electrocardiogram (ECG or EKG): This test is crucial for diagnosing LQTS as it can detect the prolonged QT interval on the heart's electrical activity.
4. Genetic testing: Since LQTS is often hereditary, genetic testing can identify mutations associated with the syndrome.
5. Additional testing: In some cases, stress testing, Holter monitoring, or an event monitor may be used to evaluate the heart's response to activity or to capture episodes.
Diagnosis can occur over a short period if there is a clear presentation and a positive family history. However, in cases where symptoms are mild or nonspecific, it may take longer. It's important to note that LQTS is a serious condition that requires prompt diagnosis and treatment to prevent life-threatening events like sudden cardiac arrest.
Works at Facebook, Lives in Menlo Park, CA
A presentation with syncope or sudden cardiac death, in combination with a long QT interval on an ECG, typically suggests long QT syndrome (LQTS) and leads to genetic testing to diagnose the disease. ... Schwartz et al suggested diagnostic criteria for LQTS in 1993 that still serve as the best criteria for clinicians.
2017-11-30
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Elijah Foster
QuesHub.com delivers expert answers and knowledge to you.
A presentation with syncope or sudden cardiac death, in combination with a long QT interval on an ECG, typically suggests long QT syndrome (LQTS) and leads to genetic testing to diagnose the disease. ... Schwartz et al suggested diagnostic criteria for LQTS in 1993 that still serve as the best criteria for clinicians.