INTRODUCTION Patients with spontaneous sub-arachnoid hemorrhage (SAH) might develop various cardiac abnormalities, however; the prognostic implications of these cardiac abnormalities are not well known. This study aimed to detect the cardiac abnormality that correlates best with in-hospital all-cause mortality in patients with SAH. METHODS In this retrospective study, all patients admitted to...

An 84-year-old woman presented with hypoglycemiainduced altered mental status. Presentation vital signs were notable for a cuff blood pressure of 150/102 mm Hg but otherwise were unremarkable. Her neurological examination after dextrose was unremarkable and a CT of the brain showed no evidence of infarction or hemorrhage. Her initial ECG (Figure A) demonstrated normal sinus rhythm (rate, 84 bpm...

Monte Carlo simulation was used to assess the type I error rate and rank order of power for six different metrics using linear mixed-effect models, including two variables recommended by the European Agency for the Evaluation of Medicinal Products (EMEA) in the analysis of QTc interval data. The metrics analyzed were maximal change in QTc interval from baseline, maximal QTc interval, area under...

background melissa officinalis, an herbal drug, is well known and frequently applied in traditional and modern medicine. yet, there is inadequate information regarding its effects on electrical properties of the heart. the present study attempted to elucidate the effects of melissa officinalis aqueous extract on electrocardiogram (ecg) in rat. objectives ecg is an easy, fast and valuable tool t...

Objectives: Coronavirus disease (COVID-19) is a with high mortality due to acute respiratory distress syndrome (ARDS) secondary viral pneumonia. In addition its effects on the system, coronavirus known have serious systemic cardiovascular system. this study, we aimed investigate association between prolonged QTc duration and COVID-19 specific pulmonary involvement Methods: Between December 2020...