Risk categories | n | % of all | Age (yrs) | % admitted | % of men | % of women | |
---|---|---|---|---|---|---|---|
I. | Obvious AMI | 6 | 4 | 78.7 ± 3.8 | 100 | 6 | 1* |
Typical symptoms and ST-elevation with or without Q-waves on the ECG, or LBBB not known to be old. | |||||||
II. | Strong suspicion of ACS | 26 | 17 | 68.6 ± 2.2 | 100 | 13 | 22 |
a) Typical symptoms without ST-elevation or Q-wave | |||||||
b) Atypical symptoms with STT changes or LBBB not known to be old | |||||||
c) History of unstable angina regardless of ECG | |||||||
d) Acute heart failure or hypotension regardless of ECG | |||||||
e) VT/VF or AV-block III | |||||||
III. | Vague suspicion of ACS | 46 | 29 | 63.7 ± 2.2 | 70 | 27 | 33 |
Unclear symptoms and history, normal or nonischemic ECG. | |||||||
IV. | No suspicion of ACS | 79 | 50 | 55.0 ± 2.5 | 13 | 54 | 43* |
a) No suspicion of ischemic heart disease | |||||||
b) Stable angina pectoris | |||||||
All included patients | 157 | 100 | 60.8 ± 1.5 | 47 | 100 | 100 |