When is treadmill stress testing used for prognostic assessment?

Updated: Nov 21, 2018
  • Author: David Akinpelu, MD, FACP; Chief Editor: Eric H Yang, MD  more...
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Exercise testing may be useful for prognostic assessment of patients taking digoxin or patients with abnormal resting ECG findings, but its usefulness is less well established in this setting. Patients with preexcitation, ventricular-paced rhythm, widespread ST depression (≥1 mm), or complete left bundle branch block (QRS duration >120 msec) should usually be tested with an imaging modality. Exercise testing may provide prognostic information (particularly exercise capacity) in patients with nondiagnostic ECG changes but cannot be used to identify ischemia.

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