Page 112 - AACN Essentials of Critical-Care Nursing Pocket Handbook, Second Edition
P. 112
Recheck patient and transducer positions. and amplifier setup. Select appropriate scale.
Treatment Check system—stopcocks, monitor, 99
Maintain air-reference port of catheter tip level for serial pressure measurements. stopcocks. range of physiologic signal. Adapted from: Daily E, Schroeder J. Techniques in Bedside Hemodynamic Monitoring. 5th ed. St Louis, MO: CV Mosby;
Prevention transducer at midchest and/or Follow routine, systematic steps for setting up system and turning Select scale appropriate to expected
Inaccurate Arterial Pressure Measurements (continued) Cause Change in transducer air-reference level Transducer not open to catheter Settings on monitor amplifiers incorrect—still on zero, cal, or off Incorrect scale selection
Problem Abnormally high or low readings No pressure available
4.8
