Symptoms will vary depending on the specific condition but typical symptoms of an underlying cardiovascular issue include (amongst many other symptoms):
Pain or pressure in the chest, which may indicate angina.
Pain or discomfort in the arms left shoulder, elbows, jaw, or back.
Shortness of breath.
Nausea and fatigue.
Light-headedness or dizziness.
Racing heartbeat (tachycardia) or slow heart rate (bradycardia).