18
Treatment
Figure 6. Choosing the Right Diagnostic Test
Goal
Availability and expertise
Likelihood of obstructive CAD
Prior test results
Other compelling indications
Pretest likelihood
of CAD
Low
No testing
necessary
Intermediate-
high
Younger patient
(<65 y of age)
Intermediate-
high
Older patient
(≥65 y of age)
Stress testing information
Patient capable of exercise
Pharmacologic stress indicated
Quantitative flow
LV dysfunction/scar