Severe chest pain could mean a heart attack. Severe stomach pain could be a sign of appendicitis. Severe chest or back pain could be a sign of a heart attack.

• 严重的胸痛可能是心脏病的征兆。严重的胃痛可能是盲肠炎的征兆。而严重的胸痛或背痛则意味着心脏病可能要发作。