| PAT | Pain Apperception Test; paroxysmal atrial tachycardia; patient; phenylaminotetrazole; physical abili... |
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| PAVNRT | paroxysmal atrioventricular nodal reciprocal tachycardia |
| PCMT | pacemaker circus movement tachycardia; protein carboxyl methyltransferase |
| PIT | pacing-induced tachycardia; patella inhibition test; picture identification test; pitocin; pitressin... |
| PJT | paroxysmal junctional tachycardia |
| double track sign | In paediatric radiology, a less common sign of congenital pyloric stenosis, when barium is caught between mucosal folds in the hypertrophied pylorus. (05 Mar 2000) |
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| double vision | <ophthalmology, symptom> The perception of two images of a single object. Synonym: ambiopia, double vision, binocular polyopia. (18 Nov 1997) |
| double-voided specimen | This refers to a urine specimen which is collected after first emptying the bladder and then waiting until another specimen can be collected. These double-voided urine specimens are more accurate for purposes of glucose testing (urinalysis). If you test a urine specimen that has been held in the bladder for an extended period of time, it will not accurately reflect the glucose content in the bloodstream. A freshly, double voided specimen is preferred. (27 Sep 1997) |
| Traube's double tone | A double sound heard on auscultation over the femoral vessels in cases of aortic and tricuspid insufficiency. (05 Mar 2000) |