Confused by urine dipstick results? Here are 9 steps to help you master urinalysis.

2021 ◽  
Author(s):  
Team DFTB
Keyword(s):  
2021 ◽  
Author(s):  
Miguel Gallego Agúndez ◽  
Naima Cassez Porquet
Keyword(s):  

2021 ◽  
Author(s):  
Keisuke Yoshida ◽  
Masahiko Yazawa ◽  
Maho Terashita ◽  
Yugo Shibagaki ◽  
Naoto Tominaga

2021 ◽  
pp. 175114372110507
Author(s):  
Sarah Burgess

A 76-year-old lady was found on the floor following a fall at home. She was uninjured, but unable to get up, and had been lying on the floor for roughly 18 hours before her son arrived. She had been unwell for the past 3 days with a cough and shortness of breath. She had a past medical history of diabetes, hypertension, hypercholesterolaemia and atrial fibrillation (AF). On examination, she was alert but distressed, clinically dehydrated, febrile and tachycardic. She was treated for community acquired pneumonia with co-amoxiclav and was fluid resuscitated with Hartmann’s solution. Her hyperkalaemia was treated with 50 mL of 50% glucose containing 10 units of rapid-acting insulin. Her creatinine kinase (CK) on admission was 200,000, and she had an acute kidney injury (AKI). Urine dipstick was positive for blood. However, her renal function continued to deteriorate over the succeeding 48 h, when she required renal replacement therapy (RRT) due to fluid overload and anuria.


BMJ ◽  
1996 ◽  
Vol 313 (7063) ◽  
pp. 1009-1010 ◽  
Author(s):  
P. Wilson ◽  
R. R Cutler ◽  
P. Jenks ◽  
F. V Clarke ◽  
J. Merrett
Keyword(s):  

Author(s):  
Sankar Sundaram ◽  
Ann Mili Kuriakose ◽  
Vijayan C. P.

Background: Progressive proteinuria implies worsening of the condition in hypertensive disorders of pregnancy and hence its quantification guides clinician in making decision and planning treatment. The gold standard is 24 hour urine protein estimation. Urine sediment cytology, also known as ‘liquid renal biopsy’ identifies and analyses the extent of renal damage.Methods: Objectives of the study were to compare the efficacy of urine dipstick test to 24 hour urine protein estimation in detecting proteinuria in pre-eclampsic patients and to describe the findings in urine sediment examination in assessing proteinuria in above patients. Urine dipstick test and sediment cytology were performed on the urinary samples of 242 pregnant women with high BP recordings (BP>140/90 mm Hg) which were collected and tested in Department of Pathology, Government Medical College, Kottayam during the study period of 18 months. This was compared with 24 hour urine protein values (gold standard).Results: About 154 patients (63.63%) had significant proteinuria of more than 300mg/24hr. Dipstick method showed 78.57% sensitivity and 81.82% specificity for prediction of significant proteinuria. Positive predictive value and negative predictive value of urine dipstick test were 88.32% and 68.57% respectively. Urine sediment examination revealed the presence of casts only in 11.98% of study population. Conclusions: Diagnostic accuracy of automated urine dipstick test in assessing proteinuria was 79.75%. For grade 1 proteinuria, diagnostic accuracy was 79.81%, for Grade 2 it increased to 93.14% and for grade 3 & 4, accuracy was 98.68%. Urine sediment examination didn’t correlate with proteinuria and hence the extent of renal damage in pre-eclampsia.


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