Table 1 Composition of the HEART score for patients in the ED with possible ACS

History

Highly suspicious

2

Moderately suspicious

1

Slightly suspicious

0

ECG

Significant ST depression

2

Non-specific repolarisation disturbance

1

Normal

0

Age

≥ 65 years

2

45–65 years

1

< 45 years

0

Risk factors*

≥ 3 risk factors

2

1 or 2 risk factors

1

No risk factors

0

Troponin

≥ 3× normal limit

2

1–3× normal limit

1

≤ normal limit

0

Total