ABSTRACT
The COVID-19 pandemic has been a major stress test for the agri-food system. While most research has analysed the impact of the pandemic on mainstream food systems, this article examines how alternative and local food systems (ALFS) in 13 countries responded in the first months of the crisis. Using primary and secondary data and combining the Multi-Level Perspective with social innovation approaches, we highlight the innovations and adaptations that emerged in ALFS, and how these changes have created or supported the sustainability transition in production and consumption systems. In particular, we show how the combination of social and technological innovation, greater citizen involvement, and the increased interest of policy-makers and retailers have enabled ALFS to extend their scope and engage new actors in more sustainable practices. Finally, we make recommendations concerning how to support ALFS' upscaling to embrace the opportunities arising from the crisis and strengthen the sustainability transition.
ABSTRACT
The QT interval prolongation may determine a type of polymorphic ventricular tachycardia named torsades de pointes. This ventricular arrhythmia could also appear after thrombolysis of acute myocardial infarction.Case reports. A 57 years old man was admitted 2 hours after the onset of a posterior-inferior-lateral acute myocardial infarction (reinfarction). He underwent pharmacological revascularization with reteplase. In the first 24 hours after thrombolysis a sustained polymorphic ventricular tachycardia was unregistered after the second dose of a quinolone recommended for a urological problem. Despite of the normal serum potassium and magnesium QTc suffered an augmentation from 400 ms to 480 ms. After beta-blocker augmentation dose and the antibiotic changing, ventricular arrhythmia disappeared without repetition during hospitalization. This ventricular tachycardia was considered precipitated by the quinolones therapy by increasing of QTc interval. It could also be considered a reperfusion sign or a complication of the reinfarction in the same area, which means different therapeutical solutions.
