|
TIMI Risk
Score for ST-Elevation Myocardial
Infarction (STEMI)
The TIMI risk score, based upon
data from 15,000 patients with
an ST segment elevation
myocardial infarction eligible
for fibrinolytic therapy, is a
simple arithmetic sum of eight
independent predictors of
mortality.
|
TIMI
Risk Score for STEMI |
|
Historical |
|
Age
65-74
>/=
75 |
2 points
3 points |
|
DM/HTN
or Angina |
1 point |
|
Exam |
|
SBP
<
100 |
3 points |
|
HR >
100 |
2 points |
|
Killip
II-IV |
2 points |
|
Weight
<
67 kg |
1 point |
|
Presentation |
|
Anterior STE or LBBB |
1 point |
|
Time
to rx > 4 hrs |
1 point |
|
Risk
Score = Total |
(0-14) |
DM, diabetes
mellitus; HTN, hypertension; SBP,
systolic blood pressure; HR,
heart rate; STE, ST elevation;
LBBB, left bundle branch block;
and rx, treatment.
|
Risk
Score |
Odds
of death by 30D* |
|
0 |
0.1
(0.1-0.2) |
|
1 |
0.3
(0.2-0.3) |
|
2 |
0.4
(0.3-0.5) |
|
3 |
0.7
(0.6-0.9) |
|
4 |
1.2
(1.0-1.5) |
|
5 |
2.2
(1.9-2.6) |
|
6 |
3.0
(2.5-3.6) |
|
7 |
4.8
(3.8-6.1) |
|
8 |
5.8
(4.2-7.8) |
|
>8 |
8.8
(6.3-12) |
|
*
referenced to average
mortality (95% confidence
intervals) |
Related Criteria
NYHA Functional Classification for Congestive Heart Failure
Framingham Criteria for Congestive Heart Failure
Cardiovascular Major Risk Factors
Duke Criteria for Infective Endocarditis (IE)
Revised Jones Criteria for Acute
Rheumatic Fever (ARF)
Wells Clinical Prediction Rule
for Pulmonary Embolism and Deep
Venous Thrombosis
Braunwald Classification of Unstable Angina (UA)
More...
References:
-
Morrow DA, Antman EM,
Charlesworth A, Cairns
R, Murphy SA, de Lemos
JA, Giugliano RP,
McCabe CH, Braunwald
E. TIMI risk score for
ST-elevation
myocardial infarction:
A convenient, bedside,
clinical score for
risk assessment at
presentation: An
intravenous nPA for
treatment of
infarcting myocardium
early II trial
substudy. Circulation.
2000 Oct
24;102(17):2031-7.
[Medline]
-
Morrow DA, Antman EM,
Parsons L, de Lemos JA,
Cannon CP, Giugliano
RP, McCabe CH, Barron
HV, Braunwald E.
Application of the
TIMI risk score for
ST-elevation MI in the
National Registry of
Myocardial Infarction
3. JAMA. 2001 Sep
19;286(11):1356-9.
[Medline]
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Hurst's The Heart
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