The QT interval is a crucial measurement on an electrocardiogram (ECG) that reflects the time it takes for the heart's electrical system to recharge between beats. When this interval is prolonged, it can lead to serious heart rhythm problems, including a potentially fatal arrhythmia called Torsades de Pointes. Certain medications can prolong the QT interval, making it essential to understand which drugs affect the QT interval and how to manage their use safely. What are long

The Duke Treadmill Score: Understanding Cardiac Risk Assessment The Duke Treadmill Score was originally developed based on the number of minutes of exercise performed using the Bruce protocol. This scoring system is essential for assessing cardiac health. Duke Treadmill Score = [exercise duration in minutes, by Bruce protocol] – [ 5 × (maximal ST elevation or depression, in millimeters)] – [4 × (treadmill angina index)] Key Components of the Duke Treadmill Score This scoring

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