Introduction: One of the important tasks of nurses in intensivecare unit is interpretation of ECG. The use of training simulator isa new paradigm in the age of computers. This study was performedto evaluate the impact of cardiac arrhythmias simulator softwareon nurses’ learning in the subspecialty Vali-Asr Hospital in 2016.Methods: This study was conducted by quasi-experimentalrandomized Salomo...

Abstract Introduction: Resent studies have been shown beneficial effects of hyperoxia pretreatment against ischemia-reperfusion injury in different organs. The aim of the present study was to investigate early and late effects of normobaric hyperoxia (≥95% O2) pretreatment on ischemia-reperfusion injuries in isolated rat hearts. Methods: Following 60 and 180 minutes of hyperoxia, rat hearts w...

Electrocardiograms of 70 patients with chronic airway obstruction were examined from 148 consecutive admissions for acute respiratory failure. Forty-seven percent of the patients had major sopraventricular or ventricular arrhythmias. These arrhythmias were documented on 36 percent of bospital mbidwns. Supraventricular arrhythmias were slihtiy more common than ventricular arrhythmias, the most f...

Cardiac arrhythmias are present in a significant percentage of the population seeking dental treatment. Cardiac arrhythmias may be disturbances of rhythm, rate, or conduction of the heart. They may be found in healthy individuals and in those with various forms of cardiovascular disease. Some of these arrhythmias are of little concern to the patient or dentist; however, some can produce symptom...