Objective: Primary prevention of sudden cardiac death in ST-elevation myocardial infarction (STEMI) is a complicated issue due to the highly heterogeneous population. The effect of T-wave alternans (TWA) on cardiac mortality has been examined in various populations. most often in patients with a high risk of fatal arrhythmia. such as patients with a low left ventricular ejection fract... https://leoners.shop/product-category/mirror/