Prevalence
Clinical
features
Differential
diagnosis
Investigations
Therapy
Prevention
Prognosis
|  | | | Prognosis |
Death
Use the following clinical prediction rule to rank your patient's risk
of dying within 30 days a 
b
Sum the following points:
| Clinical feature
a
b |
Score |
| aged 75 or more |
3 |
| aged 65-74 |
2 |
| history of diabetes, hypertension
or angina |
1 |
| systolic bp < 100 mmHg |
3 |
| heart rate > 100 beats/min |
2 |
| Killip class II-IV (evidence of
heart failure) |
2 |
| weight < 67 kg |
1 |
| anterior ST elevation or left
bundle-branch block |
1 |
| time to reperfusion therapy > 4
hours |
1 |
Why?
- This clinical prediction rule can rank patients for the risk of
dying at 30 days. a
b
Risk of death at 30 days following a
myocardial infarction
| Score a
b |
LR
(95% CI) |
Death at 30 days following reperfusion |
LR
(95% CI) |
Death at 30 days following no reperfusion |
| 9+ |
8.0
(7.1 to 9.1) |
35% |
1.8
(1.7 to 1.9) |
29% |
| 8 |
4.5
(3.9 to 5.2) |
23% |
1.5
(1.4 to 1.6) |
25% |
| 7 |
3.3
(2.9 to 3.7) |
18% |
1.4
(1.3 to 1.5) |
24% |
| 6 |
2.6
(2.4 to 2.9) |
15% |
1.3
(1.2 to 1.3) |
22% |
| 5 |
1.7
(1.5 to 1.8) |
10% |
1.0
(0.98 to 1.1) |
19% |
| 4 |
0.90
(0.81 to 1.0) |
6% |
0.72
(0.67 to 0.77) |
14% |
| 3 |
0.57
(0.50 to 0.65) |
4% |
0.49
(0.44 to 0.55) |
10% |
| 2 |
0.34
(0.29 to 0.40) |
2% |
0.32
(0.28 to 0.38) |
7% |
| 1 |
0.14
(0.11 to 0.17) |
0.9% |
0.16
(0.13 to 0.20) |
3% |
| 0 |
0.10
(0.072 to 0.15) |
0.7% |
0.094
(0.063 to 0.14) |
2% |
|
internal medicine