What are some signs of coronary heart disease?

Signs as. Understood by the medical community mean objective findings. As such, signs may not be present. Symptoms, on the other hand, are subjective, viz., pain, pressure, discomfort at the front part of chest , sometimes radiating to arm, jaw, stomach area and commonly during physical exertion. It can also happen while resting. About 40-50% of CAD do nit have symptoms until heart attack actually occurs.
Many or none. Many symptoms. The most common are chest pain, shortness of breath, jaw pain, arm pain, sweating, fatigue, abdominal pain, leg pain, dizziness and also back pain. Sometimes heart disease is a stealth disease and there are no symptoms.