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Auscultation

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https://www.readbyqxmd.com/read/28641244/computerized-lung-sound-screening-for-pediatric-auscultation-in-noisy-field-environments
#1
Dimitra Emmanouilidou, Eric D McCollum, Daniel E Park, Mounya Elhilali
GOAL: Chest auscultations offer a non-invasive and low-cost tool for monitoring lung disease. However, they present many shortcomings including inter-listener variability, subjectivity, and vulnerability to noise and distortions. The current work proposes a computer-aided approach to process lung signals acquired in the field under adverse noisy conditions, by improving the signal quality and offering automated iden- tification of abnormal auscultations indicative of respiratory pathologies...
June 19, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28639771/-post-myocardial-infarction-ventricular-septal-defect
#2
Florian Rey, Fabio Rigamonti, Jawad Chaara, Hajo Müller, Pascal Meier, Marco Roffi, Stéphane Noble
Post-myocardial infarction ventricular septal defect corresponds to the rupture of the ventricular septum between the healthy and infarcted parts. It is a rare complication still associated with a high mortality rate. Its diagnostic should be evoked in case of pathologic cardiac auscultation and confirmed by emergent transthoracic echocardiography. Hemodynamic stabilisation, mainly with the insertion of an intra-aortic balloon pump is the first step in the management. The subsequent modality of closure, either surgical or transcatheter, as well as the ideal timing should be discussed in the Heart team...
May 24, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28616240/metastatic-pancreatic-carcinoma-masquerading-as-cystic-lung-disease-a-rare-presentation
#3
Emily Stern, Taha Huseini, YiJin Kuok, Fiona Lake
This 52-year-old male ex-smoker presented with a six-month history of progressive breathlessness and weight loss. He deteriorated acutely, and was admitted with severe type 1 respiratory failure. Apart from diffuse coarse crackles on chest auscultation, physical examination was unremarkable. High-resolution computed tomography (HRCT) showed diffuse cystic changes throughout the lungs. A diagnosis of pulmonary Langerhans cell histiocytosis (PLCH) was considered. Further workup identified a coincidental pancreatic lesion of uncertain significance, which remained indeterminate on magnetic resonance imaging (MRI) and on positron emission tomography (PET)...
September 2017: Respirology Case Reports
https://www.readbyqxmd.com/read/28607569/huge-mass-in-right-side-of-the-heart-a-rare-case-report
#4
Reza Ghasemi, Fahimeh Ghanei-Motlagh, Susan Nazari, Mohsen Yaghubi
BACKGROUND: The presence of primary intracardiac tumors are scarce, and most of them are myxomas. We reported, in this paper, a case with huge mass in the right side of the heart. CASE REPORT: A 45-year-old man, with a complaint of bilateral lower limbs edema and exertional dyspnea, was admitted to intensive cardiac care unit. Cardiac auscultation revealed soft grade systolic murmur without any evidence of "tumor plop." Echocardiography showed a huge mobile mass in right side of the heart that suggested myxoma...
November 2016: ARYA Atherosclerosis
https://www.readbyqxmd.com/read/28596461/classification-of-pulmonary-pathology-from-breath-sounds-using-the-wavelet-packet-transform-and-an-extreme-learning-machine
#5
Rajkumar Palaniappan, Kenneth Sundaraj, Sebastian Sundaraj, N Huliraj, S S Revadi
BACKGROUND: Auscultation is a medical procedure used for the initial diagnosis and assessment of lung and heart diseases. From this perspective, we propose assessing the performance of the extreme learning machine (ELM) classifiers for the diagnosis of pulmonary pathology using breath sounds. METHODS: Energy and entropy features were extracted from the breath sound using the wavelet packet transform. The statistical significance of the extracted features was evaluated by one-way analysis of variance (ANOVA)...
June 8, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28590447/left-right-asymmetry-in-spectral-characteristics-of-lung-sounds-detected-using-a-dual-channel-auscultation-system-in-healthy-young-adults
#6
Jang-Zern Tsai, Ming-Lang Chang, Jiun-Yue Yang, Dar Kuo, Ching-Hsiung Lin, Cheng-Deng Kuo
Though lung sounds auscultation is important for the diagnosis and monitoring of lung diseases, the spectral characteristics of lung sounds have not been fully understood. This study compared the spectral characteristics of lung sounds between the right and left lungs and between healthy male and female subjects using a dual-channel auscultation system. Forty-two subjects aged 18-22 years without smoking habits and any known pulmonary diseases participated in this study. The lung sounds were recorded from seven pairs of auscultation sites on the chest wall simultaneously...
June 7, 2017: Sensors
https://www.readbyqxmd.com/read/28571214/segregation-of-patients-for-intrapartum-monitoring-using-robson-s-classification
#7
Khushboo Vikram Kandhari, Rahul Vishwanath Mayekar, Archana Anilkumar Bhosale, Yogeshwar Sadashiv Nandanwar
INTRODUCTION: Monitoring labour by intermittent or continuous foetal heart rate monitoring has been discussed widely in literature. Robson's classification has categorized pregnant women in ten groups. The study proposes to examine in which patients one must recommend continuous or intermittent foetal heart rate monitoring. AIM: To study the effect of Continuous Electronic Foetal Monitoring (CEFM) on the overall rate of operative deliveries as well as the rate using Robson's classification and the neonatal outcome...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28571211/pentazocine-alone-versus-pentazocine-plus-diclofenac-for-pain-relief-in-the-first-24-hours-after-caesarean-section-a-randomized-controlled-study
#8
John Okafor Egede, Leonard Ogbonna Ajah, Odidika Ugochukwu Umeora, Benjamin Chukwuma Ozumba, Robinson Chukwudi Onoh, Johnson Akuma Obuna, Napoleon Ekem
INTRODUCTION: Postoperative pain is one of the main postoperative adverse outcomes following caesarean section. Its management still remains a challenge especially in a low resource setting. AIM: To compare the efficacy of intramuscular pentazocine alone and combined intramuscular pentazocine with diclofenac for pain relief within 24 hours after caesarean section. MATERIALS AND METHODS: This was a double blind randomized control study of post caesarean section pain management of 140 participants between April and December, 2015 at the Federal Teaching hospital, Abakaliki...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28552969/automatic-adventitious-respiratory-sound-analysis-a-systematic-review
#9
Renard Xaviero Adhi Pramono, Stuart Bowyer, Esther Rodriguez-Villegas
BACKGROUND: Automatic detection or classification of adventitious sounds is useful to assist physicians in diagnosing or monitoring diseases such as asthma, Chronic Obstructive Pulmonary Disease (COPD), and pneumonia. While computerised respiratory sound analysis, specifically for the detection or classification of adventitious sounds, has recently been the focus of an increasing number of studies, a standardised approach and comparison has not been well established. OBJECTIVE: To provide a review of existing algorithms for the detection or classification of adventitious respiratory sounds...
2017: PloS One
https://www.readbyqxmd.com/read/28544844/image-of-the-month-concomitant-tricuspid-and-mitral-native-valve-infective-endocarditis
#10
Su-Jin Jeong, Sang-Hoon Seol, Pil Sang Song
A 33-year-old immunocompetent man was admitted to the authors' hospital with a one-month duration of fevers, chills, and non-productive coughs, and suddenonset weakness and ischemic pain of both lower extremities. Physical examination revealed crepitating rales heard over bilateral lung fields. On auscultation, a grade 2~3/6 systolic murmur was heard over the leftlower sternal border and apical area. Transthoracic echocardiography revealed a mobile mass on the tricuspid valve compatible with vegetation, in addition to concomitant mitral valve vegetation (Video 1)...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28523949/developmental-changes-in-pharyngeal-swallowing-acoustics-a-comparison-of-adults-and-children
#11
Neville W Hennessey, Gemma Fisher, Natalie Ciccone
This study examined developmental differences in the acoustics of pharyngeal swallowing. Thirty-one young children (M = 4.5 years) and 29 adults (M = 22.5 years) were recorded swallowing thin liquid and puree boluses. In comparison with adults, children showed longer total swallow sound duration and duration to peak intensity, as well as greater variability in the duration to peak intensity and mean of the averaged spectrum in Hz. Thin and puree boluses differed in measures of duration, intensity and frequency of the averaged sound spectrum, although these effects did not interact with age...
May 19, 2017: Logopedics, Phoniatrics, Vocology
https://www.readbyqxmd.com/read/28523317/mri-as-indicator-of-pulmonary-tuberculosis-activity-from-morphological-to-molecular-level-assessment-a-case-report
#12
Maria Teodora Antuaneta Buzan, Hanelore Herta, Mihaela Maria Coman, Daniela Homorodean, Silviu Andrei Sfrângeu, Carmen Monica Pop
We present the case of an adult patient with active post-primary pulmonary tuberculosis (TB) and discuss specific morphological and textural aspects found at high-field magnetic resonance imaging (MRI) of the lung. The 42-year-old man, heavy smoker, undertook a routine employment medical examination and was admitted to a referral pulmonology and TB center due to the abnormal findings seen on his chest radiography. The patient presented nonspecific symptoms, bilateral bronchial breath at pulmonary auscultation, inflammatory syndrome on the laboratory blood tests and positive sputum smears for acid-fast bacilli, which together with the typical aspect on the chest radiography lead to a diagnosis of post-primary pulmonary TB and administration of specific medication...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28508991/digital-stethoscopes-compared-to-standard-auscultation-for-detecting-abnormal-paediatric-breath-sounds
#13
Ajay C Kevat, Anaath Kalirajah, Robert Roseby
Our study aimed to objectively describe the audiological characteristics of wheeze and crackles in children by using digital stethoscope (DS) auscultation, as well as assess concordance between standard auscultation and two different DS devices in their ability to detect pathological breath sounds. Twenty children were auscultated by a paediatric consultant doctor and digitally recorded using the Littman™ 3200 Digital Electronic Stethoscope and a Clinicloud™ DS with smart device. Using spectrographic analysis, we found those with clinically described wheeze had prominent periodic waveform segments spanning expiration for a period of 0...
May 16, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28495001/a-comparison-between-swallowing-sounds-and-vibrations-in-patients-with-dysphagia
#14
Faezeh Movahedi, Atsuko Kurosu, James L Coyle, Subashan Perera, Ervin Sejdić
The cervical auscultation refers to the observation and analysis of sounds or vibrations captured during swallowing using either a stethoscope or acoustic/vibratory detectors. Microphones and accelerometers have recently become two common sensors used in modern cervical auscultation methods. There are open questions about whether swallowing signals recorded by these two sensors provide unique or complementary information about swallowing function; or whether they present interchangeable information. This study aims to compare of swallowing signals recorded by a microphone and a tri-axial accelerometer from 72 patients (mean age 63...
June 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28486263/predicting-thoracic-injury-in-children-with-multitrauma
#15
Kirstin D Weerdenburg, Paul W Wales, Derek Stephens, Suzanne Beno, Jessica Gantz, Jessie Alsop, Suzanne Schuh
OBJECTIVES: Previous pediatric trauma studies focused on predictors of abnormal chest radiographs or included patients with low injury severity. This study identified predictors of thoracic injury (TI) diagnoses in a high-risk population and determined TI rate without predictors. METHODS: This study was a retrospective trauma registry analysis of previously healthy children aged 0 to 17 years with multisystem blunt trauma requiring trauma team activation and chest radiography who were divided into those with and without TI...
May 8, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28481855/bowel-sounds-are-not-associated-with-flatus-bowel-movement-or-tolerance-of-oral-intake-in-patients-after-major-abdominal-surgery
#16
Thomas E Read, Marc Brozovich, Jose E Andujar, Rocco Ricciardi, Philip F Caushaj
BACKGROUND: Auscultation for bowel sounds has been advocated by some clinicians as a method to determine the resolution of postoperative ileus. OBJECTIVE: Our primary aim was to prospectively evaluate the relationships between bowel sounds and the ability to tolerate oral intake in patients after major abdominal surgery. Secondarily we aimed to evaluate relationships among bowel sounds, flatus and bowel movement, and oral intake. DESIGN: This was a prospective, blinded observational study...
June 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28468664/twenty-four-hour-ambulatory-electrocardiography-characterization-of-heart-rhythm-in-vipera-berus-envenomed-dogs
#17
Anna Rave Vestberg, Anna Tidholm, Ingrid Ljungvall
BACKGROUND: Vipera berus has a worldwide distribution and causes high morbidity in dogs annually. A complication to envenomation may be cardiac arrhythmias. The purpose of this study was to investigate the prevalence, types, and timing of arrhythmias, using 24-h ambulatory electrocardiography (24-AECG), in dogs bitten by V. berus in the first 24-32 h after envenomation. In addition, this study aimed to investigate if there were differences in selected clinical and hematological- and biochemical variables (including cardiac troponin I) at admission between V...
May 3, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28464021/predictive-value-of-clinical-and-laboratory-features-for-the-main-febrile-diseases-in-children-living-in-tanzania-a-prospective-observational-study
#18
Olga De Santis, Mary Kilowoko, Esther Kyungu, Willy Sangu, Pascal Cherpillod, Laurent Kaiser, Blaise Genton, Valérie D'Acremont
BACKGROUND: To construct evidence-based guidelines for management of febrile illness, it is essential to identify clinical predictors for the main causes of fever, either to diagnose the disease when no laboratory test is available or to better target testing when a test is available. The objective was to investigate clinical predictors of several diseases in a cohort of febrile children attending outpatient clinics in Tanzania, whose diagnoses have been established after extensive clinical and laboratory workup...
2017: PloS One
https://www.readbyqxmd.com/read/28460759/utility-of-physical-examination-and-comparison-to-echocardiography-for-cardiac-diagnosis
#19
Ashish Patel, Nitin Singh Tomar, Anil Bharani
OBJECTIVE: To find out the accuracy of cardiac auscultation using non-digital stethoscope in physical diagnosis of cardiac diseases. METHODS: We enrolled 104 consecutive patients with abnormal cardiac auscultatory findings attending cardiology clinic and not previously evaluated by echocardiography. One time detailed cardiac physical examination followed by echocardiography within 1 month was undertaken. Agreement between two methods was calculated using mean pair percentage agreement, kappa statistics (κ) and calculation of 95% confidence interval (CI) for kappa statistics...
March 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28454677/clinical-algorithms-for-the-diagnosis-and-prognosis-of-interstitial-lung-disease-in-systemic-sclerosis
#20
Vanessa Hax, Markus Bredemeier, Ana Laura Didonet Moro, Thaís Rohde Pavan, Marcelo Vasconcellos Vieira, Eduardo Hennemann Pitrez, Rafael Mendonça da Silva Chakr, Ricardo Machado Xavier
INTRODUCTION: Interstitial lung disease (ILD) is currently the primary cause of death in systemic sclerosis (SSc). Thoracic high-resolution computed tomography (HRCT) is considered the gold standard for diagnosis. Recent studies have proposed several clinical algorithms to predict the diagnosis and prognosis of SSc-ILD. OBJECTIVE: To test the clinical algorithms to predict the presence and prognosis of SSc-ILD and to evaluate the association of extent of ILD with mortality in a cohort of SSc patients...
April 1, 2017: Seminars in Arthritis and Rheumatism
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