Tag Archives: MDCT

CPET: an overview of “the cardiac cycle” The breathless patient with heart failure and comorbidity can pose a diagnostic conundrum: is the dyspnoea cardiac or respiratory (or something else entirely)? Dr Christopher Boos (Poole Hospital NHS Foundation Trust) outlined the role of cardiopulmonary exercise testing (CPET) in such situations. CPET integrates a broad range of variables related to cardiorespiratory function, including oxygen uptake and expiratory ventilation, along with blood pressure and electrocardiogram (ECG) tracing. It provides objective information on physiological performance under stress: key output data include peak VO2