abstract background: the current practice to measure rv is either by bpg or helium dilution methods which may not be available in all clinics due to their cost. methods: this paper outlines a method for both direct and indirect calculation of rv via pft with acceptable sensitivity (81 %, 60% ), specificity (71 %, 94%) and validity (76%, 78%) for obstructive and restrictive lung disease respecti...

 ABSTRACT Background: The current practice to measure RV is either by BPG or helium dilution methods which may not be available in all clinics due to their cost. Methods: This paper outlines a method for both direct and indirect calculation of RV via PFT with acceptable sensitivity (81 %, 60% ), specificity (71 %, 94%) and validity (76%, 78%) for obstructive and restrictive lung disease respect...

conclusions we conclude that volume of residual pneumoperitoneum is a contributing factor in the etiology of postoperative pain after laparoscopic cholecystectomy. results at the end of the study, 17 patients (30.9%) had no residual pneumoperitoneum after 24 hours; which 23 (41.81%) had mild residual pneumoperitoneum, eight (14.54%) had moderate pneumoperitoneum and seven (12.72%) had severe pn...

Background and Objective: The gastric residual volume has a direct effect on the volume and timing of the subsequent feeding and causes gastric emptying and pulmonary aspiration. The present study compares the effect of Cydonia oblonga and Phyllanthus Emblica (Amla) fruit on gastric residual volume and pulmonary aspiration in mechanically- ventilated patients. Materials and Methods: This is a...

a new correlation function for the calculation of viscosity for five typical supercritical gases is presented using the rainwater-friend and modified enskog theory. it is shown that by using accurate value for the thermal pressure and co-volume in the modified enskog theory, this correlation function is suitable for calculation of the viscosity of supercritical gases, without any density and te...

Background: Increased Gastric residual volume (GRV) is one of the common problems in ICU. Objective: The aim of this study was to determine the effect of cumin extract on gastric residual volume in patients with traumatic episodes hospitalized in ICU. Method: This double-blind randomized clinical trial was conducted on 60 patients traumatic hospitalized in ICU. Patients were randomly assigne...

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A theory is presented for the measurement of regurgitant flow across an incompetent valve hy injection of indicator distal to the valve and recording of time concentration curves proximal and distal to the valve. The conditions which must be met for valid measurements are examined and demonstrated by a functioning mechanical model of the heart. The method is valid regardless of the size of the ...

the aim of this study was to determine the most effective and suitable time to remove the urinary catheter (foley) after anterior and posterior colporrhaphy surgery. patients who experience anterior colporrhaphy operation for genuine stress incontinency or pelvic organ prolapsed will have post operative voiding dysfunction. these patients need postoperative drainage. one of the methods preferre...