Document Detail

Comparison of arterial and venous blood gas values in the initial emergency department evaluation of patients with diabetic ketoacidosis.
MedLine Citation:
PMID:  9546014     Owner:  NLM     Status:  MEDLINE    
STUDY OBJECTIVE: To determine whether venous blood gas values can replace arterial gas values in the initial emergency department evaluation of patients with suspected diabetic ketoacidosis. METHODS: This prospective comparison was performed in an adult university teaching hospital ED. Samples for arterial and venous blood gas analysis were obtained during initial ED evaluations. The venous gas samples were collected with samples for other blood tests at the time of intravenous line insertion. Both arterial and venous samples were obtained before the initiation of treatment. RESULT: Data from 44 episodes of diabetic ketoacidosis in 38 patients were analyzed. Laboratory findings of those patients with diabetic ketoacidosis were as follows (mean +/- SD): arterial pH, 7.20 +/- 14; venous pH, 7.17 +/- 13; serum glucose, 33.8 +/- 16 mmol/L (609 +/- 288 mg/dL); arterial HCO3-, 11.0 +/- 6.0 mmol; venous HCO3-, 12.8 +/- 5.5 mmol/L; serum CO2, 11.8 +/- 5.0 mmol/L; and anion gap, 26.7 +/- 7.6 mmol/L. The mean difference between arterial and venous pH values was 0.03 (range 0.0 to 0.11). Arterial and venous pH results (r = .9689) and arterial and venous HCO3- results (r = .9543) were highly correlated and showed a high measure of agreement. CONCLUSION: Venous blood gas measurements accurately demonstrate the degree of acidosis of adult ED patients presenting with diabetic ketoacidosis.
M A Brandenburg; D J Dire
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Annals of emergency medicine     Volume:  31     ISSN:  0196-0644     ISO Abbreviation:  Ann Emerg Med     Publication Date:  1998 Apr 
Date Detail:
Created Date:  1998-04-28     Completed Date:  1998-04-28     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8002646     Medline TA:  Ann Emerg Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  459-65     Citation Subset:  AIM; IM    
Section of Emergency Medicine & Trauma, University of Oklahoma Health Sciences Center, Oklahoma City, USA.
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MeSH Terms
Bicarbonates / blood
Blood Gas Analysis / methods*
Blood Specimen Collection
Diabetic Ketoacidosis / blood,  diagnosis*
Emergency Service, Hospital
Hydrogen-Ion Concentration
Middle Aged
Prospective Studies
Sensitivity and Specificity
Reg. No./Substance:

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