and the assessment of risk in a patient with known IHD are
conceptually different and are based on different literature,
the writing committee constructed this guideline to address
these issues separately. It is recognized, however, that a
clinician might select a procedure for a patient with a
moderate to high pretest likelihood of IHD to provide
information for both diagnosis and risk assessment, whereas
in a patient with a low likelihood of IHD, it could be
sensible to select a test simply for diagnostic purposes
without regard to risk assessment. By separating the conceptual
approaches to ascertaining diagnosis and prognosis,
the goal of the writing committee is to promote the sensible