Seidlerová J, et al. - Among patients (n=85) hospitalized for cardiogenic shock, researchers looked at the agreement between invasively measured blood pressure (invBP) and non-invasive blood pressure (BP) measurements. For the first 72 h of hospitalization, all patients had BP measured every 6 h. Two invasive, two auscultatory, and two oscillometric BP measurements were included in each set of BP measurements. They considered InvBP as a gold standard. Agreement between different BP methods was evaluated. Findings revealed good agreement between mean arterial pressure (the key pressure in critically-ill patients) measured non-invasively and invasively measured mean arterial pressure (MAP) among the participants. In several clinical conditions related to hypotension, use of invasive measurements should be advised, as these conditions influence the accuracy of non-invasive MAP or systolic BP measurements. Even in patients with arrhythmia, similar accuracy of auscultatory and oscillometric measurements was observed.