At times, the signs may be far less obvious, manifesting with nonspecific or generalized symptoms such as: Pain around the shoulder blades, arm, chest, jaw, left arm, or upper
[verywell.com]
The diagnostic value was examined for acute myocardial infarction or acute coronary syndrome of: radiating pain (left arm and/or shoulder, right arm and/or shoulder, both
[bjgp.org]
[…] abdomen A painful sensation described as having a "clenched fist in the chest" Discomfort or tightness in the neck or arm Indigestion or heartburn Nausea and vomiting Fatigue
[verywell.com]