Direct and indirect blood pressure measurements in baboons

C. A. McMahan, H. S. Wigodsky, G. T. Moore

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The accuracy and precision of indirect blood pressure measurements in baboons were studied by comparing the results of indirect measurements with simultaneous direct measurements. The indirect measurements were made by four observers using a Doppler ultrasound instrument. A statistically significant difference between the two methods was found for systolic blood pressure but not for diastolic blood pressure. The indirect systolic averaged 13.8 mmHg higher than direct systolic and was found to be more precise than the indirect diastolic. The difference in blood pressure obtained by the two methods varied over animals and observers with an interaction between animals and observers. The effect of arm was examined by performing direct blood pressure measurements in both arms. No statistically significant arm effect was found.

Original languageEnglish (US)
Pages (from-to)806-809
Number of pages4
JournalJournal of Applied Physiology
Issue number5 (I)
StatePublished - Jan 1 1976

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)


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