Causes
Clinical
features
Investigations
Therapy
Prognosis
|  |  | | Clinical
features |
Ask about
the pain: specifically
any radiation
a
particularly to the right arm or shoulder
b
Why?
Chest pain that radiates to the arms makes a myocardial infarction more likely
| Patient |
Target Disorder and Reference Standard |
Diagnostic Test |
LR+
(95% CI)
|
Post-test Probability |
LR-
(95% CI)
|
Post-test Probability |
anterior chest pain
b
(pre-test probability: 12%)
|
myocardial infarction
(cardiac enzymes, ECG)
|
chest pain radiation to right shoulder
|
2.9
(1.4 to
6.0)
|
29% |
0.90
(0.81 to
1.0)
|
11% |
attending emergency department with chest pain
b
(pre-test probability: 20%)
|
myocardial infarction
(ECG and cardiac enzyme changes)
|
chest pain radiation to left arm
|
2.3
(1.7 to
3.1)
|
37% |
|
|
|
|
|
chest pain radiation to both left and right arm
|
7.1
(3.6 to
14)
|
64% |
|
|
|