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Ultrasonography01:17

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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
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Imaging Studies II: Ultrasonography01:24

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

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Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
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Radiological Investigation I: X-ray and CT01:30

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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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Climate-Smart Diagnostic Medical Imaging and Point-of-Care Ultrasound: An Evidence-Based Perspective.

Hamid Shokoohi1, Andrew S Liteplo1, Kristofer Montoya1

  • 1Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA.

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Summary

Point-of-care ultrasound (POCUS) offers a sustainable alternative to high-emission imaging like MRI and CT. Integrating POCUS can significantly reduce healthcare

Keywords:
Point-of-care ultrasound (POCUS)carbon emissionsclimate changecomputed tomography (CT)diagnostic imagingenvironmental impactgreenhouse gas emissions (GHG)magnetic resonance imaging (MRI)sustainable healthcareultrasound

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Area of Science:

  • Healthcare Sustainability
  • Medical Imaging Environmental Impact
  • Climate-Smart Healthcare Practices

Background:

  • Hospital diagnostic imaging, particularly MRI and CT, contributes significantly to healthcare's carbon footprint through high energy consumption and GHG emissions.
  • While clinical value is essential, incorporating sustainability into imaging decision-making is increasingly critical.
  • The environmental impact of point-of-care ultrasound (POCUS) remains largely unexamined despite its known clinical advantages.

Purpose of the Study:

  • To review and compare greenhouse gas (GHG) emissions across various medical imaging modalities.
  • To highlight POCUS as a more environmentally friendly alternative within diagnostic imaging.
  • To support the integration of POCUS into a broader strategy for achieving global climate goals in healthcare.

Main Methods:

  • Review of existing literature on GHG emissions from diagnostic imaging modalities.
  • Comparative analysis of energy consumption, standby emissions, and infrastructure requirements.
  • Life-cycle assessment considerations for ultrasound technology.

Main Results:

  • POCUS demonstrates lower energy consumption and minimal standby emissions compared to traditional modalities.
  • Ultrasound technology requires less infrastructure, reduces indirect energy use from patient transport, and generates less waste.
  • Life-cycle analyses confirm ultrasound as a low-emission imaging option, often not requiring contrast agents.

Conclusions:

  • POCUS presents a practical, eco-friendly alternative to reduce healthcare's carbon footprint.
  • Broader integration of POCUS, especially in settings where it can replace higher-emission modalities, is a key strategy for climate-smart diagnostics.
  • Combining POCUS with AI, tele-ultrasound, and stewardship frameworks can optimize imaging use and advance sustainable healthcare.