An evaluation of modern pressure recording systems.

نویسندگان

  • D L FRY
  • A J MALLOS
  • F W NOBLE
چکیده

An evaluation of the stability and accuracy of modern physiologic pressure measuring systems is reported with a brief review of some of the problems of catheter pressure recording. Evaluation of stability consisted of measuring the drift of the baseline, and of the calibration factors of the gage and amplifier combination with time and temperatures change. Evaluation of the accuracy of these pressure measuring systems consisted of determining their static accuracy, their dynamic accuracy, and the pressure errors introduced by catheter accelerations and bending.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Technical evaluation of sprinkler irrigation systems implemented in Khorram Abad city

The lack of water resources in Iran has increased concern about water consumption in the country. The agricultural sector is known as the largest sector of water consumption, and saving in this sector will save significant water resources. One of the solutions for the optimal use of water resources is the use of modern irrigation methods with proper design and implementation. Therefore, the pur...

متن کامل

‌بررسی اثر عصاره هیدروالکلی برگ زیتون (Olea europea L.) بر روی فشار‌خون و تداخل اثر آن با سیستم آدرنرژیک در موش صحرایی نر

Introduction: Hypertension is one of the most common and important disease factors imposed by the modern lifestyle, in particular by reduced physical activity and an unbalanced lipid-rich diet. One of the best methods for treatment of hypertension is the use of medical herbs that have moderate effects on blood pressure such as Olive (Olea europea L.). Therefore, the purpose of this study was to...

متن کامل

Pressure Transients Occurring in Diastole in the Central Aorta.

• With the development of modern pressure recording systems, and more especially with the advent of currently available catheter tip transducers,* intravascular pressure may now be recorded with an exceedingly high degree of accuracy. Small oscillations in pressure traces that could not previously be clearly distinguished from "catheter-whip" artifact, or that were frequently not seen because o...

متن کامل

Method of Evaluation of Efficiency Improvement Potential for District Heating Systems with Focus on Variable Speed Centrifugal Pumps

The goal of this research is the derivation of method for evaluation of efficiency improvement potential for district heating systems with focus on variable speed centrifugal pump. The effectiveness of the usage of the proportional pressure control is compared with the constant pressure control. This is why, energy calculation analyses have been realized for variable speed centrifugal pumps, an...

متن کامل

Modern power system frequency response evaluation with virtual power plant penetration

New power systems based on VPP will be expanded in the future and analysis of the frequency behavior of these systems compared to current systems in the field of disruptions will be one of the most important issues of the system operators. In this paper, the equations of the frequency response model of conventional power system are expanded by considering the VPP's and their effective component...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • Circulation research

دوره 5 1  شماره 

صفحات  -

تاریخ انتشار 1957