Do patients presenting to the emergency department with chest pain require cardiac monitoring?

BEEM Bottom Line

Why is this study important?

Chest pain (CP) and symptoms of acute coronary syndrome (ACS) are common causes for emergency department (ED) visits. Many of these patients are assigned to monitored beds despite the low risk of dysrhythmia. This prospective validation study of a clinical decision rule identifies those very-low-risk patients who can be removed from continuous cardiac monitoring, thus improving throughput in the ED.

Which, if any, threats to validity are most likely to have an impact on the results and how?

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