Salam If both the *right coronary artery (RCA)* and the *left anterior descending artery (LAD)* become occluded—especially acutely—it typically results in a *massive myocardial infarction (heart attack)*. The timing of such an event, like "on a Saturday," doesn’t change the physiological impact, but it might affect how quickly treatment is received depending on hospital staffing or emergency response. Here’s what happens when both arteries are blocked: *🫀 Dual Occlusion Impact* - *RCA occlusion