Diagnostic tests used in the chest pain observation unit protocols
| First author | ST monitor | Cardiac enzymes | Exercise stress test | Others |
|---|---|---|---|---|
| *Selected patients only. | ||||
| †If unable to exercise. CK = creatine kinase; CK-MB = creatine kinase MB isoenzyme; ECHO = echocardiogram; LDH = lactate dehydrogenase. | ||||
| Farkouh17 | Yes | CK-MB | Yes | Nuclear or ECHO stress test† |
| Roberts18 | No | CK-MB | Yes | Nil |
| Gomez19 | Yes | CK, CK-MB | Yes | ECHO, dobutamine stress ECHO* |
| Gaspoz20 | No | CK-MB | Yes | Nil |
| Kerns21 | No | Nil | Yes | Nil |
| Gibler23 | Yes | CK-MB | Yes | ECHO |
| Kirk24 | No | Nil | Yes | Nil |
| Mikhail26 | Yes | CK, CK-MB, myoglobin | Yes | Nuclear or ECHO stress test† |
| De Leon27 | No | CK, LDH, CK-B | No | Nil |
| Hoekstra29 | Yes | CK, CK-MB | Yes | ECHO |
| Stomel28 | No | CK-MB | No | Stress ECHO |