A 55-year-old male presen...

A 55-year-old male presented with complaints of sudden onset severe chest pain radiating to his left arm, sweating, nausea, and shortness of breath while at work. A colleague of his promptly recognized the symptoms and called emergency services. His medical history included hypertension and high cholesterol. He is doing a sedentary job and occasional exercise. He was currently on blood pressure medication. In the context of this case, what initial step do you think is crucial for improving outcomes in a suspected heart attack scenario?