A 50-year-old complains of pressing pain in the center of his chest which started at rest about twenty minutes ago. On observation: Conscious, pale and sweaty, indicates nausea and bad overall feeling. What would you suspect? A 50-year-old complains of pressing pain in the center of his chest which started at rest 20 minutes ago. After examination he is: conscious, pale and sweaty, indicates nausea and pain in his left hand. What would you suspect?