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Related Concept Videos

Uncertainty: Overview00:59

Uncertainty: Overview

In analytical chemistry, we often perform repetitive measurements to detect and minimize inaccuracies caused by both determinate and indeterminate errors. Despite the cares we take, the presence of random errors means that repeated measurements almost never have exactly the same magnitude. The collective difference between these measurements - observed values - and the estimated or expected value is called uncertainty. Uncertainty is conventionally written after the estimated or expected value.
Documentation of Nursing Diagnosis01:10

Documentation of Nursing Diagnosis

The nurse documents nursing diagnoses and enters them into the patient record. The identified patient's nursing diagnosis is either written out with a plan of care or entered into the electronic health record.
In some settings, data-driven computerized decision support systems are in place, allowing for more accurate nursing diagnoses. The database within one of these systems includes diagnostic labels defining characteristics, activities, and indicators for nursing. A nurse enters assessment...
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
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Errors occurring during blood pressure monitoring01:25

Errors occurring during blood pressure monitoring

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...
Barriers to Effective Communication II01:21

Barriers to Effective Communication II

The barriers to effective communication also include cultural barriers, semantic barriers, gender barriers, and time constraints.
Cultural barriers:
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Semantic barriers:
As a result of their tendency to use...
Confounding in Epidemiological Studies01:27

Confounding in Epidemiological Studies

Confounding in statistical epidemiology represents a pivotal challenge, referring to the distortion in the perceived relationship between an exposure and an outcome due to the presence of a third variable, known as a confounder. This variable is associated with both the exposure and the outcome but is not a direct link in their causal chain. Its presence can lead to erroneous interpretations of the exposure's effect, either exaggerating or underestimating the true association. This phenomenon...

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Related Experiment Video

Updated: Jul 4, 2026

International Expert Consensus and Recommendations for Neonatal Pneumothorax Ultrasound Diagnosis and Ultrasound-guided Thoracentesis Procedure
05:50

International Expert Consensus and Recommendations for Neonatal Pneumothorax Ultrasound Diagnosis and Ultrasound-guided Thoracentesis Procedure

Published on: March 12, 2020

Misconceptions, challenges, uncertainty, and progress in guideline recommendations.

Regina Kunz1, Benjamin Djulbegovic, Holger J Schunemann

  • 1Basel Institute of Clinical Epidemiology, University Hospital Basel, Basel, Switzerland. rkunz@uhbs.ch

Seminars in Hematology
|June 28, 2008
PubMed
Summary

The Grading of Recommendations, Assessment, Development and Evaluation (GRADE) system improves clinical practice guidelines by rigorously assessing evidence quality and balancing benefits against harms. This validated approach enhances guideline acceptance and validity for healthcare decision-making.

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Last Updated: Jul 4, 2026

International Expert Consensus and Recommendations for Neonatal Pneumothorax Ultrasound Diagnosis and Ultrasound-guided Thoracentesis Procedure
05:50

International Expert Consensus and Recommendations for Neonatal Pneumothorax Ultrasound Diagnosis and Ultrasound-guided Thoracentesis Procedure

Published on: March 12, 2020

Area of Science:

  • Clinical Practice Guidelines
  • Health Technology Assessment
  • Evidence-Based Medicine

Background:

  • Current clinical practice guideline systems face limitations affecting validity and acceptance.
  • Improvements in guideline quality over the past decade are acknowledged.

Purpose of the Study:

  • To introduce and describe the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) system.
  • To address shortcomings in existing guideline development methodologies.

Main Methods:

  • Developed a transparent and rigorous methodology for rating evidence quality.
  • Incorporated explicit balancing of benefits and harms of interventions.
  • Included explicit acknowledgement of patient values, preferences, and resource utilization.
  • Defined criteria for strong versus weak recommendations based on patient choice.

Main Results:

  • The GRADE system provides a structured approach to guideline development.
  • Recommendations are categorized as strong or weak based on defined criteria.
  • The system has been tested, refined, and re-evaluated across various settings and questions.
  • Numerous guideline organizations and medical societies have endorsed and adopted the GRADE system.

Conclusions:

  • The GRADE system offers a practical and simplified yet comprehensive method for evidence assessment and recommendation grading.
  • Its widespread adoption by medical societies indicates its utility in improving the quality and acceptance of clinical practice guidelines.