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The modified Bruce Protocol is an alteration in the protocol so that the treadmill is initially horizontal rather than uphill, with the 1st few intervals increasing the treadmill slope only. [3] The Bruce treadmill test estimates maximum oxygen uptake using a formula and the performance of the subject on a treadmill as the workload is increased ...
The treadmill test, employing the modified Bruce protocol, [20] demonstrates a sensitivity range of around 73-90% and a specificity range of around 50-74%. Sensitivity refers to the percentage of individuals with the condition correctly identified by the test, while specificity denotes the percentage of individuals without the condition ...
Duke Treadmill Score is a tool for predicting the risk of ischemia or infarction in the heart muscle. [1] The score is a function of data from an exercise test : [ citation needed ] [ 1 ] [exercise duration in minutes, by Bruce protocol ] – [ 5 × (maximal ST elevation or depression , in millimeters)] – [4 × (treadmill angina index)]
Before the development of the Bruce Protocol, there was no safe, standardized protocol that could be used to monitor cardiac function in exercising patients.Master's Two-Step Test was sometimes used, but it was too strenuous for many patients and inadequate for the assessment of respiratory and circulatory function during varying amounts of exercise.
By the mid-1970s, scientists and clinicians alike began using thallium-201 as the radioisotope of choice for human studies. [8] Individuals could be placed on a treadmill and be "stressed" by the "Bruce protocol" and when near peak performance, could be injected with thallium-201.
Mr Holton said: “Although the test takers from both lines carry FTB15831, one of them also has an additional genetic marker, indicating his descent from Robert Bruce, 3rd Baron of Clackmannan ...
I'd love to see details of Bruce protocol treadmill (stages etc), treadmill score (Duke score) and nomograms. And stationary bicycle testing should be mentioned, since there are big practical problems administering treadmill tests to many people (both those in very poor condition, and those in very good condition).
The multi-stage fitness test was first described by Luc Léger [6] with the original 1-minute protocol, which starts at a speed of 8.5 km/h, and increases by 0.5 km/h each minute. Other variations of the test have also been developed, where the protocol starts at a speed of 8.0 km/h and with either 1 or 2-minute stages, but the original ...