2024年7月19日 · Long QT syndrome (LQTS) is a heart rhythm disorder that causes fast, chaotic heartbeats. The irregular heartbeats can be life-threatening. LQTS affects the electrical signals …

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 …

2024年11月21日 · 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 …

2023年12月22日 · QT prolongation occurs when the heart muscle takes longer to contract and relax than usual. It can affect heart rhythms and lead to sudden cardiac arrest. The heart is a …

Long QT syndrome is principally diagnosed by measuring the QT interval corrected for heart rate (QTc) on a 12-lead electrocardiogram (ECG). Long QT syndrome is associated with a …

2022年12月26日 · Cardiac events and fatal arrhythmias may occur when the QT interval is prolonged either congenitally or through acquired causes. This activity reviews the causes of …

Long QT syndrome (LQTS) increases the risk of abnormal heart rhythms, including the life-threatening arrhythmia torsades de pointes, which may result in syncope (fainting) or sudden …

Long QT syndrome (LQTS) is an abnormal feature of the heart’s electrical system that can lead to a potentially life-threatening arrhythmia called torsades de pointes (pronounced torsad de …

Long QT syndrome. Long QT syndrome (LQTS) is a rare heart condition that's usually inherited. It can cause serious problems with your heart rhythm, but there are things you can do to reduce …

2023年11月27日 · This long QT interval can cause no symptoms at all or serious symptoms, including fainting, seizure, and death. This article will discuss long QT syndrome symptoms, …