ATS Pulmonary Function Laboratory Manual

ATS Pulmonary Function Laboratory Management & Procedure Manual | 3rd Edition

Table 14-4

Indications for stopping an exercise test (5, 37, 41, 50, 51)

Cardiac signs and symptoms

Progressive angina (3 on 1–4 scale) Ventricular tachycardia >2 to 4 mm horizontal or down-sloping ST depression A significant drop (>20 mm Hg) in blood pressure or failure of the blood pres-

sure to rise over several minutes of exercise. Onset of second or third degree heart block Exercise-induced left bundle branch block Sustained supraventricular tachycardia

Other Symptoms

Lightheadedness, confusion, nausea, ataxia, pallor, etc. Patient complains of severe chest tightness or wheezing Volitional termination by the patient (i.e., cannot continue) Failure of the ECG or blood-pressure monitoring system

Monitoring

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