Heart doctors near me Cardiac chest pain, often a symptom of heart conditions, can feel like pressure, tightness, or squeezing in the chest. It may spread to the arm, shoulder, back, neck, jaw, or upper belly. Other symptoms include shortness of breath, fatigue, heartburn, lightheadedness, cold sweats, and nausea. More detailed symptoms: Chest pain or discomfort: This can range from mild to severe and may come and go. Pain radiating to other areas: The pain may travel to the left arm, shoulder, back, neck, jaw, teeth, or upper abdomen. Shortness of breath: Difficulty breathing or gasping for air can occur, even at rest. Fatigue: Feeling unusually tired or weak. Sweating: Breaking out in a cold sweat.