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Related Concept Videos

Quality Assurance01:19

Quality Assurance

959
Quality assurance is the overarching term used to describe the activities employed to ensure the proper performance of a system. These activities can be classified into three categories: quality control, quality assessment, and internal corrective measures. Typically, these activities work cyclically: quality control is performed before and during the analysis, while quality assessment occurs during and after the investigation. Internal corrective measures are implemented based on the findings...
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Quality of Water01:19

Quality of Water

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In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
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Quality Control01:05

Quality Control

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Quality control is one of the three cyclical quality assurance activities that help keep a system under statistical control. Typical quality control activities include creating quality control charts, conducting proficiency testing, and documenting and archiving results.
Quality control helps track data, visualize trends, and identify variations, making it easier to detect deviations that may affect the accuracy of an analysis. One way to do this is by generating a quality control chart, which...
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Pulse amplitude and quality01:17

Pulse amplitude and quality

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Pulse amplitude is a crucial indicator of cardiac health because it provides valuable insights into the strength of left ventricular contractions and the overall uniformity of blood circulation within the vasculature. The strength of the pulse is directly related to the force with which the heart contracts and the volume of blood being pumped.
A weak or absent pulse may indicate reduced cardiac output or poor left ventricular contraction, which can be signs of cardiovascular dysfunction or...
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Testing Water Quality01:14

Testing Water Quality

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When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
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Protein Folding Quality Check in the RER01:29

Protein Folding Quality Check in the RER

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ER is the primary site for the maturation and folding of soluble and transmembrane secretory proteins. The calnexin cycle is a specific chaperone system that folds and assesses the confirmation of N-glycosylated proteins before they can exit the ER lumen. The primary players of this quality check pipeline are the lectins, ER-resident chaperones, and a glucosyl transferase enzyme. In case the calnexin system in the lumen fails to salvage a misfolded protein, it is transported to the cytoplasm...
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Quality assurance in ophthalmic imaging.

Suneeta Dubey1, Kanika Jain2, T Nirmal Fredrick3

  • 1Head, Glaucoma Services, Dr. Shroff's Charity Eye Hospital, Delhi, India.

Indian Journal of Ophthalmology
|July 24, 2019
PubMed
Summary

Quality assurance (QA) in ophthalmic imaging ensures accurate patient data. Implementing standard procedures and proper equipment calibration is key for reliable diagnostic imaging.

Keywords:
B-scanPentacamophthalmic imagingoptical coherence tomographyqualityquality assuranceslit-lamp photography

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Area of Science:

  • Ophthalmology
  • Medical Imaging
  • Quality Management

Background:

  • Accurate ophthalmic imaging is vital for disease monitoring and treatment planning.
  • Maintaining high quality in image acquisition and quantification is essential for patient care.
  • Current practices require robust quality assurance protocols.

Purpose of the Study:

  • To review and highlight methods for achieving quality assurance (QA) in ophthalmic imaging.
  • To emphasize the importance of QA in the context of ophthalmic diagnostic procedures.
  • To provide guidance on best practices for ophthalmic imaging QA.

Main Methods:

  • Review of standard operating procedures for ophthalmic imaging data collection.
  • Discussion on equipment calibration and maintenance for ophthalmic imaging devices.
  • Emphasis on patient communication and technician training for optimal image acquisition.

Main Results:

  • Effective QA involves meticulous attention to all stages of image delivery.
  • Standardized procedures, equipment functionality, and trained personnel are critical components of QA.
  • Proper patient instruction and image acquisition techniques directly impact image quality.

Conclusions:

  • Implementing comprehensive QA protocols is crucial for reliable ophthalmic imaging.
  • Adherence to manufacturer specifications and clear patient communication enhance diagnostic accuracy.
  • This review underscores the necessity of QA for effective ophthalmic practice.