In aortic stenosis, systemic arterial peak systolic pressure may remain relatively steady in the face of marked, arrhythmia-induced, variations in left ventricular peak systolic pressure. A possible basis for this phenomenon is presented. It is suggested that beat-tobeat variations in the systolic pressure gradient across the aortic valve region may not always reflect variations in stroke volume.

OBJECTIVES Our study examines the relationship between perceived discrimination and levels of C-reactive protein and blood pressure in low-income youth ages 10-15 years old. METHODS Data were collected from 10 to 15 year old focal children and their mothers. Face-to-face interviews were implemented to collect data on stressors including experiences of everyday discrimination from youth. High ...

Introduction: Pressure injuries (LPP) associated with non-invasive ventilation have negative consequences for the user and health system, being considered a public problem. The application of preventive measures, recognition risk factors early identification development LPP is first step towards reducing its incidence. Objective: To map prevention strategies NIV-associated facial injuries. Mate...

The pandemic caused by the SARS-CoV-2 coronavirus (COVID-19) has not only led to economic stagnation, border closures and a serious reduction in cross-border activities, but also effectively paralyzed international trade ties. In addition, clearly showed that world trading system was ready for such global crisis. If end of 2021 – beginning 2022, there were some positive trends, then extremely a...