Acute coronary syndrome is unusual in men under 35 years old, and in women under 40 years old.

Conditions that increase risk for acute coronary syndrome include:

• Chlamydia infection
• Creased ear lobe
• Depression
• High blood pressure
• High cholesterol
• Hyperthyroidism
• Hypothyroidism
• Kidney failure
• Lupus
• Peripheral vascular disease
• Previous heart attack
• Psoriasis:
• Severe, requiring daily treatment with corticosteroids
• Severe anemia
• Sleep apnea
• Stroke
• TIA

Lifestyle choices that increase risk for acute coronary syndrome include:

• Smoking
• High fat diet
• Obesity
• Lack of exercise
• Stress
• Poor oral hygiene
• Cocaine use