Digital rectal examination (DRE) is often ignored or deferred in acute myocardial infarction (AMI... more Digital rectal examination (DRE) is often ignored or deferred in acute myocardial infarction (AMI). The aim of this study was to determine the safety and efficacy of DRE in patients with AMI. This was a prospective, comparative, stratified study in an inner-city teaching hospital. A total of 480 patients from intensive care and telemetry units were stratified into three groups. Group I included 160 patients with AMI in whom a DRE was performed and electrocardiographic (EKG) recordings were obtained. Group II included 155 patients with AMI in whom DRE was not done, but EKG recordings were made. Group III consisted of 165 patients without AMI in whom DRE was performed and EKG recordings were obtained. Sustained arrhythmias and vital signs were measured. None of the patients developed sustained arrhythmias and there was no change in vital signs. DRE resulted in the detection of several clinically significant findings. DRE was found to be safe in our stable patients with AMI.
Empirical and semi-empirical methods of estimating the water activity of supersaturated aqueous s... more Empirical and semi-empirical methods of estimating the water activity of supersaturated aqueous solutions at up to twice the saturation molality are compared for CaCl2 and Na2SO4 at °0C and K2SO4, KH2PO4, NaCl, KCl, RbCl, CsCl, KNO3 and mannitol at 25°. An empirical method, applicable to both electrolytes and non-electrolytes, is described.Des méthodes empiriques et semi-empiriques d'estimation de l'activité de l'eau de solution aqueuses sursaturées sont comparées pour divers solutés jusqu'à deux fois la moralité de saturation. Les solutés comprennent le CaCl2 et Na2SO4 à 0°C et le K2SO4, KH2PO4, NaCl, KCl, RbCl, CsCl, KNO3 et le mannitol à 25°C. Une méthode complètement empirique a été développée qui peut être appliquée aux solutés électrolytes et non-électrolytes.
Digital rectal examination (DRE) is often ignored or deferred in acute myocardial infarction (AMI... more Digital rectal examination (DRE) is often ignored or deferred in acute myocardial infarction (AMI). The aim of this study was to determine the safety and efficacy of DRE in patients with AMI. This was a prospective, comparative, stratified study in an inner-city teaching hospital. A total of 480 patients from intensive care and telemetry units were stratified into three groups. Group I included 160 patients with AMI in whom a DRE was performed and electrocardiographic (EKG) recordings were obtained. Group II included 155 patients with AMI in whom DRE was not done, but EKG recordings were made. Group III consisted of 165 patients without AMI in whom DRE was performed and EKG recordings were obtained. Sustained arrhythmias and vital signs were measured. None of the patients developed sustained arrhythmias and there was no change in vital signs. DRE resulted in the detection of several clinically significant findings. DRE was found to be safe in our stable patients with AMI.
Empirical and semi-empirical methods of estimating the water activity of supersaturated aqueous s... more Empirical and semi-empirical methods of estimating the water activity of supersaturated aqueous solutions at up to twice the saturation molality are compared for CaCl2 and Na2SO4 at °0C and K2SO4, KH2PO4, NaCl, KCl, RbCl, CsCl, KNO3 and mannitol at 25°. An empirical method, applicable to both electrolytes and non-electrolytes, is described.Des méthodes empiriques et semi-empiriques d'estimation de l'activité de l'eau de solution aqueuses sursaturées sont comparées pour divers solutés jusqu'à deux fois la moralité de saturation. Les solutés comprennent le CaCl2 et Na2SO4 à 0°C et le K2SO4, KH2PO4, NaCl, KCl, RbCl, CsCl, KNO3 et le mannitol à 25°C. Une méthode complètement empirique a été développée qui peut être appliquée aux solutés électrolytes et non-électrolytes.
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