Biomedical subjects
Publications and source records attributed to A T Taylor.
Denture reduction in formal orthodontic treatment does not appear to prevent the impaction of lower third molars. The extraction of premolar teeth is best carried out as close as possible to the eruption time of the cuspids. The posterior part of the mandibular arch should be evaluated by the study of lateral oblique roentgenograms and one of several options regarding treatment should then be adopted.
Unit dose medication carts in a 500-bed university hospital were monitored for accuracy and completeness after delivery to the nursing station. The contents of the cart were compared with the nurse's patient medication record. Discrepancies were recorded for evaluation. All medication cart distribution errors found were analyzed to identify the source and were tabulated to determine error rate. Three major categories of errors were discovered: pharmacy technician errors not corrected by the pharmacist, errors associated with nurse's patient medication records, and errors resulting from lost orders.
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UNLABELLED: This study examined the effects of 2% halothane general anesthesia on ventricular electrophysiological properties and inducibility of sustained ventricular tachycardia (VT) and ventricular fibrillation (VF). Dogs with chronic anterior infarction and control dogs (no infarction) were studied before and after anesthesia using chronically implanted ventricular epicardial electrodes. PQ interval was increased by 15% with halothane, but QRS duration, QT interval, QTc, and sinus rhythm cycle length were unaffected by anesthesia. Diastolic threshold was unchanged by halothane. Halothane caused significant increases of 10-30% in ventricular effective refractory period (ERP) both in control and in infarct animals. VT and VF were not inducible in any of the nine control animals either before or after anesthesia. In infarct animals 34 of 75 (45%) had inducible VT or VF prior to halothane, but the incidence of inducible arrhythmias was significantly lower at 29% (22 of 75 animals) after halothane (p less than 0.01). In 75% of animals in which halothane suppressed inducibility of tachyarrhythmias, halothane-induced increases in ERP prevented achievement of the short extrastimulus coupling intervals at which the arrhythmias were induced before anesthesia. IN CONCLUSION: halothane anesthesia reduces the incidence of inducible sustained ventricular tachyarrhythmias in chronic canine myocardial infarction.
The purpose of this study was to evaluate a drug history method. The method consisted of a review of systems (ROS) history format, which utilized common symptoms/diseases per organ system matched with corresponding drug treatments. Findings of this method were compared with drug histories documented in the medical record. The study was conducted over an eight-week period on general medicine inpatients and ICU patients. All data retrieved were categorized into total number of drugs found and then analyzed as to legend, nonlegend, and unidentifiable content. Findings were statistically analyzed using chi-square. During the study, 207 patients were admitted. Of these patients, 186 drug histories were obtained; 21 patients could not be interviewed. The ROS method documented 406 drugs as compared with 60 drugs by the medical record (p less than 0.001). Performance time was comparable to similar studies (14 +/- 5.85 min). Using a concise, logically organized technique, more drugs were identified than reported by the medical record. We conclude that the experimental method is a productive method for obtaining a drug history.
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