Fig. 2From: Evaluation of dyspnea of unknown etiology in HIV patients with cardiopulmonary exercise testing and cardiovascular magnetic resonance imagingCentral Illustration. Flow diagram with matching photos depicting the sequence of events for stress treadmill CMR-CPET protocol. Pre exercise imagines were obtained on a 1.5 T CMR system. Subjects exercised on a CMR compatible hydraulic treadmill with simultaneous measurement of ventilation with CPET. Immediately following cessation of exercise, subjects were transferred back to the CMR station for post exercise imagesBack to article page