Table 1 Elements to calculate HEART score for chest pain patients at the emergency department

History

Highly suspicious

2

Moderately suspicious

1

Slightly or non-suspicious

0

ECG

Significant ST-depression

2

Nonspecific repolarization disturbance

1

Normal

0

Age

≥ 65 years

2

>45 – <65 years

1

≤ 45 years

0

Risk factors

≥ 3 risk factors*, or history of atherosclerotic disease^

2

1 or 2 risk factors

1

No risk factors known

0

Troponin

≥ 3x normal limit

2

>1 - <3x normal limit

1

≤ normal limit

0

Total

Range: 0-10