Bruce protocol

Indications: - see exercise tolerance testing Procedure: - exercise tolerance testing (ETT) using treadmill. Stages stage speed grade time Mets I 1.7 mph 10% grade 3 min 4 Mets II 2.5 mph 12% grade 3 min 7 Mets III 3.4 mph 14% grade 3 min 10 Mets IV 4.2 mph 16% grade 3 min 14 Mets V 5.0 mph 18% grade 3 min 16 Mets