Point-of-Care Ultrasonography.

Point-of-Care Ultrasonography. Am Fam Physician. 2020 Mar 01;101(5):275-285 Authors: Arnold MJ, Jonas CE, Carter RE Abstract Point-of-care ultrasonography (POCUS) is performed by a physician at the bedside and is standard practice in obstetric, emergency, and musculoskeletal medicine. When compared with formal sonography, POCUS is equivalent in screening for abdominal aortic aneurysm and as accurate in diagnosing deep venous thrombosis. POCUS has high accuracy for diagnosing pneumonia and detecting acute decompensated heart failure but is less accurate than computed tomography for identifying pulmonary embolism. POCUS confirmation of intrauterine pregnancy rules out an ectopic pregnancy. In the third trimester of high-risk pregnancies, umbilical artery Doppler ultrasonography can improve perinatal outcomes. Musculoskeletal POCUS is used to diagnose and guide treatment of many joint and soft tissue conditions. It is as accurate as magnetic resonance imaging in the diagnosis of complete rotator cuff tears. Ultrasound guidance improves outcomes in the placement of central venous catheters and fluid drainage from body cavities and lumbar punctures. Ultrasonography can reduce the use of CT for diagnosis of appendicitis; however, negative scan results do not rule out disease. POCUS can accurately diagnose and rule out gallbladder pathology, and is effective for diagnosing urolithiasis. Focused cardiac ultrasonography can detect pericardial effusion and decreas...
Source: American Family Physician - Category: Primary Care Authors: Tags: Am Fam Physician Source Type: research

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Authors: Jiao J, Droste R, Drukker L, Papageorghiou AT, Noble JA Abstract Recent advances in deep learning have achieved promising performance for medical image analysis, while in most cases ground-truth annotations from human experts are necessary to train the deep model. In practice, such annotations are expensive to collect and can be scarce for medical imaging applications. Therefore, there is significant interest in learning representations from unlabelled raw data. In this paper, we propose a self-supervised learning approach to learn meaningful and transferable representations from medical imaging video with...
Source: Proceedings - International Symposium on Biomedical Imaging - Category: Radiology Tags: Proc IEEE Int Symp Biomed Imaging Source Type: research
Authors: Droste R, Chatelain P, Drukker L, Sharma H, Papageorghiou AT, Noble JA Abstract Anatomical landmarks are a crucial prerequisite for many medical imaging tasks. Usually, the set of landmarks for a given task is predefined by experts. The landmark locations for a given image are then annotated manually or via machine learning methods trained on manual annotations. In this paper, in contrast, we present a method to automatically discover and localize anatomical landmarks in medical images. Specifically, we consider landmarks that attract the visual attention of humans, which we term visually salient landmarks...
Source: Proceedings - International Symposium on Biomedical Imaging - Category: Radiology Tags: Proc IEEE Int Symp Biomed Imaging Source Type: research
Chem. Commun., 2020, Advance Article DOI: 10.1039/D0CC01937B, CommunicationJianjun Du, Yu Zhang, Haoying Ge, Chao Shi, Saran Long, Wen Sun, Jiangli Fan, Xiaojun Peng An ultrasound-modulated drug release nanoplatform was fabricated using a degradable azo derivative (ACVA) as a crosslinker for excellent tissue penetration, and could realize controllable drug release according to the treatment needs. To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed (c) The Royal Society of Chemistry
Source: RSC - Chem. Commun. latest articles - Category: Chemistry Authors: Source Type: research
Authors: Xu J, Zhang M, Turk EA, Zhang L, Grant E, Ying K, Golland P, Adalsteinsson E Abstract The performance and diagnostic utility of magnetic resonance imaging (MRI) in pregnancy is fundamentally constrained by fetal motion. Motion of the fetus, which is unpredictable and rapid on the scale of conventional imaging times, limits the set of viable acquisition techniques to single-shot imaging with severe compromises in signal-to-noise ratio and diagnostic contrast, and frequently results in unacceptable image quality. Surprisingly little is known about the characteristics of fetal motion during MRI and here we pr...
Source: MICCAI International Conference on Medical Image Computing and Computer-Assisted Intervention - Category: Radiology Tags: Med Image Comput Comput Assist Interv Source Type: research
Publication date: Available online 5 June 2020Source: Revista Clínica Española (English Edition)Author(s): L.M. Beltrán, E. Rodilla, Clinical Ultrasound and Vascular Risk Working Group
Source: Revista Clinica Espanola - Category: Internal Medicine Source Type: research
[Namibian] PRESIDENT Hage Geingob's sixth state of the nation address erupted in chaos as opposition parliamentarians protested against the Fishrot scandal.
Source: AllAfrica News: Health and Medicine - Category: African Health Source Type: news
Conclusions: Excellent accuracy was found for types 1A, 1B, and 3C deformities (ends of spectrum). There was more variation among surgeons in differentiating between one-column (types 2A and 2B) and two-column (types 3A and 3B) deficiencies, as surgeons often failed to recognize the radiological signs of posterior column failure. This failure to identify column deficiencies can potentially alter kyphosis management. There was excellent consensus among surgeons in the recommendation of type 2 osteotomy; however, some variation was observed in their choice for other osteotomies. PMID: 32493003 [PubMed - as supplied by publisher]
Source: Asian Spine Journal - Category: Orthopaedics Tags: Asian Spine J Source Type: research
Publication date: Available online 4 June 2020Source: Journal of Pediatric Surgery Case ReportsAuthor(s): Sonal Patel, Jason McKee, Jessie Maxwell
Source: Journal of Pediatric Surgery Case Reports - Category: Surgery Source Type: research
Authors: Chick G, Victor J, Hollevoet N Abstract Benign peripheral nerve tumours are rare lesions. The surgical treatment and clinical outcomes depend on the resectability. The aim of this retrospective study was to identify clinical or radiological features that may predict the surgical technique that should be used to improve clinical outcome. Eighty-two patients were diagnosed with solitary benign peripheral nerve tumours. Fifty-five tumours were surgically resectable, and 27 were nonresectable. Pre-operative magnetic resonance imaging and ultrasound were used, which were predictive of the neural origin of the t...
Source: Acta Orthopaedica Belgica - Category: Orthopaedics Tags: Acta Orthop Belg Source Type: research
This study reviews a single centre series of prospectively collected outcome measures to determine whether the Mobility performs better than the Scandinavian ankle replacement. The primary outcome measure was the survivorship. Secondary outcome measures consisted of complications and international scoring systems. 147 Scandinavian and 162 Mobility ankle replacements were reviewed at a mean follow up of 12.4 and 7.7 years respectively. The revision rate, which included liner exchange, component exchange or removal of implant was at 7 years 12.3% (18) for Scandinavian and 5.2% (8) for Mobility. The complication rate was 16.5...
Source: Acta Orthopaedica Belgica - Category: Orthopaedics Tags: Acta Orthop Belg Source Type: research
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