Final answer:
The symptoms described are likely signs of a heart attack, which is a medical emergency.
Step-by-step explanation:
The symptoms described in the question, including chest pain, shortness of breath, vomiting, cool clammy skin, and appearing frightened, are likely signs of a heart attack. A heart attack, also known as a myocardial infarction (MI), occurs when the blood flow to the heart is blocked, typically by a blood clot. This blockage can cause damage to the heart muscle, leading to various symptoms. It is important for the man to seek immediate medical attention as heart attacks can be life-threatening.