Hemodynamic and coronary angiographic assessment - Summary of recommendations and evidence
Immediate cardiac catheterization should be performed in very high-risk patients	I	A
In high-risk patients, early cardiac catheterization (within 24 h) should be performed.	I	A
In intermediate-risk patients, those with recurrent symptoms, or those with a positive noninvasive test for ischemia, perform cardiac catheterization within 72 h.	I	C