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Related Concept Videos

Pre-Procedural Guidelines for Assessing Blood Pressure01:10

Pre-Procedural Guidelines for Assessing Blood Pressure

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Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the...
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Assessment of blood pressure in brachial artery(two-step method)01:23

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Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
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Errors occurring during blood pressure monitoring01:25

Errors occurring during blood pressure monitoring

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Blood pressure monitoring is a crucial clinical procedure in diagnosing and managing various cardiovascular conditions. Despite its significance, the accuracy of blood pressure measurements can be compromised by multiple factors, potentially leading to either falsely high or low readings. These inaccuracies are critical as they can significantly impact patient care. So, it is vital to understand these challenges deeply and adopt strategic approaches to minimize errors.
Several factors...
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Assessing Blood pressure using a doppler ultrasound01:19

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To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
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Assessment of blood pressure in brachial artery(one-step method)01:15

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This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
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Related Experiment Video

Updated: Oct 6, 2025

An R-Based Landscape Validation of a Competing Risk Model
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An external validation study of the Utah Bleeding Risk Score.

Armin Peivandi1, Henryk Welp1, Mirela Scherer1

  • 1Department of Cardiothoracic Surgery, University Hospital Muenster, Muenster, Germany.

European Journal of Cardio-Thoracic Surgery : Official Journal of the European Association for Cardio-Thoracic Surgery
|January 13, 2022
PubMed
Summary

The Utah Bleeding Risk Score (UBRS) could not predict gastrointestinal bleeding (GIB) in continuous-flow left ventricular assist device (CF-LVAD) patients. Coronary artery disease may increase GIB risk during CF-LVAD support.

Keywords:
Continuous-flow left ventricular assist deviceGastrointestinal bleedingHeart failureUtah Bleeding Risk Score

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Area of Science:

  • Cardiology
  • Gastroenterology
  • Medical Devices

Background:

  • Gastrointestinal bleeding (GIB) is a significant complication in patients with continuous-flow left ventricular assist devices (CF-LVAD).
  • The Utah Bleeding Risk Score (UBRS) was developed to predict GIB in CF-LVAD patients.

Purpose of the Study:

  • To externally validate the predictive ability of the UBRS in a cohort of CF-LVAD patients.
  • To assess the applicability of the UBRS for predicting GIB in this population.

Main Methods:

  • The UBRS was calculated for 111 CF-LVAD patients.
  • GIB events were summarized, and patients were stratified into risk groups.
  • Predictive ability was examined using receiver operating characteristic curve analysis at 3 years and during the entire support period.

Main Results:

  • The UBRS showed poor predictive ability (AUC < 0.52) for GIB at 3 years and during the whole support time.
  • No significant difference in UBRS was observed between patients with and without GIB.
  • Coronary artery disease was associated with an increased risk of GIB beyond the third year of support.

Conclusions:

  • The UBRS is not applicable for predicting GIB in this cohort of CF-LVAD patients.
  • Coronary artery disease may be a risk factor for GIB in CF-LVAD patients.
  • Further validation in a larger cohort is recommended.