Arterial blood pressure (BP) measurements, which include invasive direct methods and noninvasive indirect methods, provide a picture of the hemodynamic status of the patient. Invasive BP methods measure pressure pulse wave amplitude; noninvasive methods rely on blood flow or arterial wall motion as a basis for the determination of BP values. To obtain the most accurate BP value, the clinician must identify which measurement variables in a specific clinical situation are most contributory to error and, if possible, use a method of measurement for which the sources of error are not parallel. Blood pressure values obtained by different methods cannot be compared without a thorough understanding of the user-related and instrumentation-related limitations associated with each BP measurement technique
Physiologic Monitoring| February 01 1993
Arterial Blood Pressure Measurement Technique
AACN Adv Crit Care (1993) 4 (1): 66–80.
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Deborah A. Gorny; Arterial Blood Pressure Measurement Technique. AACN Adv Crit Care 1 February 1993; 4 (1): 66–80. doi: https://doi.org/10.4037/15597768-1993-1007
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