The majority of deaths from acute myocardial infarction (AMI) occur prior to the arrival of medical aid and appear to be due to ventricular fibrillation (VF). Since the premature ventricular contraction and bradyeardia are believed to predispose to VF, it has been suggested that administration of atropine or lidocaine during the prehospital phase of AMI may effectively reduce mortality in AMI. ...

OBJECTIVES The goal of this study was to establish the role of ventricular filling on the 1b phase of ischemia-induced arrhythmias. BACKGROUND Ischemia-induced ventricular arrhythmias occur in two phases. The mechanism of the initiation of delayed (1b) arrhythmias is unknown. The 1b arrhythmias (15 to 60 min of ischemia) are abundant in in situ hearts but scarce in isolated perfused hearts (w...

Background: The poisoning is mostly due to suicide and is observed in younger age groups. The systemic manifestations of ALP poisoning are common but pernicious manifestations of them are cardiotoxicity, shock, and ARDS. The clinical hallmark of cardiotoxicity is arrhythmia. The aim of this study was to investigate cardiac arrhythmias in patients poisoned with ALP who were admitted to Razi Ho...

Several groups of drugs have been shown to possess antiarrhythmic activity. Some of them e.g. quinidine, procainamide, local anaesthetics, β-receptor blocking agents and diphenylhydantoin etc. have achieved a clinical status as antiarrhythmic drugs. Diphenyl hydantoin (dilantin) an anticonvulsant has been successfully employed for the supression of ventricular arrhythmias due to digitalis ...

THE EFFECT OF METHOXYFLURANE on the sensitivity of the heart to epinephrineinduced ventricular arrhythmias has not been clearly defined. On the one hand, animal experiments have been reported which found that methoxyflurane increases ventricular arrhythmias associated with epinephrine administration. 1,~ On the other hand, other studies have found that methoxyflurane protects against arrhythmia...

Twenty-four-hour electrocardiographic tape-recording was used to investigate the incidence of arrhythmias in patients with suspected myocardial infarction who were receiving either propranolol, atenolol, or placebo. Recordings begun within 24 hours after admission to a coronary care unit showed that 76% of patients eventually found to have had a myocardial infarction had ventricular arrhythmias...

In 101 newborn Thoroughbred foals and foaling mares, 45 fetal (FECGs) and 101 neonatal electrocardiograms (NECGs) were obtained to investigate neonatal arrhythmias and other parameters including changes in fetal (FHR) and neonatal heart rate (NHR). Moreover, umbilical arterial, venous and jugular venous blood gas tensions and pH immediately after birth were analyzed to compare with the type and...

In patients with mitral valve prolapse syndrome various disturbances of cardiac rhythm can be observed such as atrial arrhythmias, ventricular tachycardias and conduction disturbances. Of timely interest are the questions of which etiology is at the basis of the arrhythmias, what is their relevance with respect to sudden cardiac death, what are the indications for treatment and which therapeuti...

BACKGROUND The incidence of cardiac arrhythmias, including atrial fibrillation (AF) in chronic kidney disease, is unknown, although AF is several times more common in patients with end-stage kidney disease than in the general population. AIM To assess the incidence, types and management of cardiac arrhythmias and conduction abnormalities in patients with acute coronary syndromes (ACS) and ren...