National Mobile X-Ray buys MMDS

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Source: AuntMinnie.com Headlines - Category: Radiology Source Type: news

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AbstractIn the context of fetal monitoring, non-invasive fetal electrocardiography is an alternative approach to the traditional Doppler ultrasound technique. However, separating the fetal electrocardiography (FECG) component from the abdominal electrocardiography (AECG) remains a challenging task. This is mainly due to the interference from maternal electrocardiography, which has larger amplitude and overlaps with the FECG in both temporal and frequency domains. The main objective is to present a novel approach to FECG extraction by using a deep learning strategy from single-channel AECG recording. A residual convolutiona...
Source: Australasian Physical and Engineering Sciences in Medicine - Category: Biomedical Engineering Source Type: research
DiscussionAtrial repolarization waves are recognized by a downsloping PR segment and are a common cause of false positive stress tests.  They are augmented by tachycardia.See this paper:Sapin PM et al. Identification of false positive exercise tests with use of electrocardiographic criteria: a possible role for atrial repolarization waves. JACC 18(1):127-35; July 1991.  (link is full text)Link to abstract: http://www.onlinejacc.org/content/18/1/127.abstractHere is a schematic from my book,The ECG in Acute MI (this is a link to a free pdf)Learning Points:1. Recognize the atrial repolarization wave. ...
Source: Dr. Smith's ECG Blog - Category: Cardiology Authors: Source Type: blogs
Abstract Historically, the practice of medicine has been a physically intimate endeavor. Physicians have used their hands to palpate and reveal the secrets hidden within the body. Smelling the breath for the ketosis of diabetes or tasting the skin for the saltiness of cystic fibrosis were among the physician's essential practices. Today, perhaps the most defining characteristic of a brilliant clinician is the ability to synthesize many images-from electrocardiograms, ultrasounds, CT scans, and so forth-into a coherent picture that can guide our diagnosis and treatment. Yet this is rapidly becoming a Sisyphean task...
Source: The Hastings Center Report - Category: Medical Ethics Authors: Tags: Hastings Cent Rep Source Type: research
ConclusionBoth energy sources were safe, time sparing, effective, and simple; however, the diathermy took less time to perform maze than the HUF and the total CPB time and cross clamp time was less in the diathermy group.
Source: Indian Journal of Thoracic and Cardiovascular Surgery - Category: Cardiovascular & Thoracic Surgery Source Type: research
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Source: Journal of Maternal-Fetal and Neonatal Medicine - Category: Perinatology & Neonatology Authors: Source Type: research
The pressure-passive cerebrovasculature is affected by alterations in cerebral perfusion pressure (CPP) and arterial blood gases (e.g., pressure of arterial [Pa]CO2), where acute changes in either stimulus can influence cerebral blood flow (CBF). The effect of superimposed increases in CPP at different levels of steady-state PaCO2 on regional CBF regulation is unclear. In 17 healthy participants, we simultaneously recorded continuous heart rate (electrocardiogram), blood pressure (finometer), pressure of end-tidal CO2 (PETCO2; gas analyzer), and middle (MCA) and posterior (PCA) cerebral artery blood velocity (CBV; transcra...
Source: Autonomic Neuroscience: Basic and Clinical - Category: Neuroscience Authors: Source Type: research
Introduction: Sudden cardiac death is a rare cause of death in young athletes. Current screening techniques include history and physical exam (H and P), with or without an electrocardiogram (ECG). Adding point of care cardiac ultrasound has demonstrated benefits, but there is limited data about implementing this technology. We evaluated the feasibility of adding ultrasound to preparticipation screening for collegiate athletes.Methods: We prospectively enrolled 42 collegiate athletes randomly selected from several sports. All athletes were screened using a 14-point H and P based on 2014 American College of Cardiology (ACC) ...
Source: Western Journal of Emergency Medicine - Category: Emergency Medicine Source Type: research
Written by Pendell MeyersI texted this Prehospital ECG with no clinical information to Dr. Smith.What do you think?Dr. Smith texted back " Pulmonary Embolism " within seconds.Here is the clinical information:A woman in her 30s with no known past medical history presented by ambulance for altered mental status and syncope. She was delirious, ill-appearing, hypotensive, tachycardic, afebrile, satting 99% on 2L/min masal cannula.Sinus tachycardiaAcute RV strain pattern evidenced by the morphology of the QRS and T-wave in V1-V3, including small-moderate R-wave followed by deep S-wave, then concave ST segment into who...
Source: Dr. Smith's ECG Blog - Category: Cardiology Authors: Source Type: blogs
Case submitted and written by Alex BraceyA man in his 50s with no significant past medical history presented from a local beach with epigastric " burning " pain that had been intermittent for 4 days until this morning when it became constant at rest. He had associated nausea and diaphoresis, but overall looked well and had arrived by private vehicle to front triage. An ECG was performed there and brought to me for review:What do you think?STE in V2-4 that might just barely meet STEMI criteriaSTE in aVL, and to a lesser extent lead IObvious reciprocal STD in II, III, aVFRegardless of whether this ECG truly meets S...
Source: Dr. Smith's ECG Blog - Category: Cardiology Authors: Source Type: blogs
Ultrafast acoustoelectric imaging (UAI) is a novel method for the mapping of biological current densities, which may improve the diagnosis and monitoring of cardiac activation diseases such as arrhythmias. This paper evaluates the feasibility of performing UAI in beating rat hearts. A previously described system based on a 256-channel ultrasound research platform fitted with a 5-MHz linear array was used for simultaneous UAI, ultrafast B-mode, and electrocardiogram (ECG) recordings. In this paper, rat hearts (n = 4) were retroperfused within a Langendorff isolated heart system. A pair of Ag/Cl electrodes were positioned on...
Source: IEE Transactions on Medical Imaging - Category: Biomedical Engineering Source Type: research
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