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Biomedical subjects

A Arditti

Publications and source records attributed to A Arditti.

23 records · Page 2Linked to original sources

Life-threatening ventricular arrhythmias in septicemia.

Sixteen episodes of ventricular tachycardia and/or fibrillation, 12 of which occurred during shaking chills, were recorded in six patients with septicemia. All patients were greater than 60 years of age and had suffered a previous myocardial infarction. Patients who survived the condition sustained no further arrhythmias during a follow-up period of 1 to 4 years, despite the fact that no antiarrhythmic medication was administered. It is suggested that patients greater than 60 years of age who had suffered a previous myocardial infarction should be carefully monitored during septic episodes and especially during shaking chills, since these may represent vulnerable periods facilitating the precipitation of potentially lethal arrhythmias.

Aged↗

Amiodarone-induced polymorphous ventricular tachycardia.

Five cases of amiodarone-induced polymorphous ventricular tachycardia (torsade de pointes) are presented. All patients had recurrent syncope or dizziness due to polymorphous ventricular tachycardia and in all cases the QT interval was prolonged. In two cases hypokalemia was present at the time the arrhythmia was first recorded, but in both cases polymorphous ventricular tachycardia persisted despite correction of the electrolyte imbalance. Standard treatment for polymorphous ventricular tachycardia (isoproterenol, ventricular pacing, or both) was successful in all patients, however, therapy had to be continued for 5 to 10 days, most probably because of the long elimination half-life of amiodarone.

Aged↗

Single channel dual echocardiography.

An inexpensive method for obtaining simultaneous echograms from two or more cardiac areas is described. The measurement of systolic and diastolic time intervals, the identification of various auscultatory findings and the diagnosis of some valvular lesions are among the uses of such a technique.

Aortic Valve↗