Table 10:

Percentage of Tests Completed and Time to Completion for Patients With Transient Ischemic Attack, Inpatient Versus Emergency Department Observation Unit

Tests Completed, %	Hospitalized	ED Observation Unit
Carotid imaging completed	91	97
Carotid Doppler	91	96
Echocardiography	73	97
Time to Completion of Tests, Hours (Range)
Carotid imaging	25.2 (17.3–37.1)	13 (8.4–18)
Echocardiography	43 (23.8–63.8)	19.1 (16.7–22.5)

Abbreviations: ED, emergency department.

Source: Ross et al, 2007. (23)