Effects of volume changes on the right ventricular geometry and haemodynamics. Reproduced from Olsson KM, Halank M, Egenlauf B, et al. Decompensated right heart failure, intensive care and perioperative management in patients with pulmonary hypertension: updated recommendations from the Cologne Consensus Conference 2018. Int J Cardiol 2018; 272S: 46–52.¹⁶