The most common symptom of myocardial infarction includes:

• Chest pain:
• Dull, heavy, squeezing, or pressure-like pain
• Usually located under the breastbone or on the left side of the chest
• Lasting longer than 20 minutes
• Triggered by physical exertion
• Relieved with rest

Chest pain caused by myocardial infarction may spread to other locations.

Additional locations for myocardial infarction pain include:

• Neck pain
• Jaw pain
• Shoulder pain
• Arm pain (unilateral):
• Usually in the left arm
• May occur in the right arm
• Arm pain (bilateral)
• Upper abdominal pain

Additional symptoms of myocardial infarction include:

• Difficulty breathing
• Fainting
• Nausea
• Vomiting
• Palpitations
• Excessive sweating
• Dizziness
• Lightheadedness
• Weakness and fatigue