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The long QT syndrome (LQTS) is a rare, congenital or acquired disease, which may lead to fatal cardiac arrhythmias (torsade de pointes, TdP). In all LQTS subtypes, TdPs are caused by disturbances in cardiac ion channels. Diagnosis is made using clinical, anamnestic and electrocardiographic data. Triggers of TdPs are numerous and should be avoided(More)
OBJECTIVE To evaluate the effects of PFC aerosol compared to PGI2 aerosol and NaCl aerosol on gas exchange and lung mechanics in oleic acid-induced acute lung injury. DESIGN A prospective, controlled, randomised, in vivo animal laboratory study. SETTING Research laboratory at an university hospital. SUBJECTS Twenty one (n = 21) adult sheep of either(More)
BACKGROUND Levosimendan is a novel drug used for inotropic support in heart failure, but its efficacy in local anesthetic-induced myocardial depression is not known. Therefore, we investigated the effects of levosimendan on the negative inotropic response to ropivacaine in isolated heart preparations of guinea pigs. METHODS Action potentials and force of(More)
BACKGROUND Perfluorocarbon liquids are being used experimentally and in clinical trials for the treatment of acute lung injury. Their resemblance to inhaled anesthetic agents suggests the possibility of application by vaporization. The authors' aim was to develop the technical means for perfluorocarbon vaporization and to investigate its effects on gas(More)
Camera-based photoplethysmography is a contactless mean to assess vital parameters, such as heart rate and respiratory rate. In the field of camera-based photoplethysmography, blind source separation (BSS) techniques have been extensively applied to cope with artifacts and noise. Despite their wide usage, there is no consensus that common BSS approaches(More)
Inhalation of perfluorohexane vapor (PFH) and high-frequency oscillatory ventilation (HFOV) both have been shown to improve lung function in acute lung injury (ALI). Their combination implies synergistic action. The authors investigated technical aspects of PFH vaporization during HFOV and effects on gas exchange in a pilot study of experimental ALI.(More)
Cardiogenic shock is most commonly a complication of acute myocardial infarction. The ischemic loss of functional myocardium triggers distinct cardiovascular responses which can deteriorate to global pump failure with a mortality rate of more than 50%. Causes of cardiogenic shock beyond myocardial ischemia are very diverse. Decisive management with rapid(More)