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Information in the story may be outdated or superseded by additional information. Reading or replaying the story in its archived form does not constitute a republication of the story. No matter, the NFL has a simplified catch rule designed to eliminate confusion — and, the league hopes, controversy — about receptions. Team owners unanimously approved the new language Tuesday, with basically three elements defining a catch:
It’s a catch: NFL owners approve simplified catch language
Introduction Emergency physicians and intensivists are often called on to manage critically ill patients. Bedside echocardiography offers useful information regarding many acute cardiovascular conditions such as tamponade, pulmonary embolism and aortic dissection. However, clinicians encounter coronary heart disease and congestive heart failure far more often, and rapid evaluation of left ventricular ejection fraction LVEF is very important in these patients because of its diagnostic and therapeutic implications.
In the emergency department 1 or intensive care unit, bedside echocardiography replaces invasive measurements of left ventricular LV function. Assessment of LV function is an important skill for physicians of diverse specialties and a key catalyst for the development of hand-held devices 2 , 3. In light of this, The American College of Chest Physician has published a statement regarding maintenance of competency in critical care ultrasonography for intensivists 4.
As published in the New England Journal of Medicine 5 , diagnostic ultrasonography has replaced auscultation as the primary method of evaluating the mechanics of the heart. The broadening use of pocket-size ultrasound machines is changing the world of medical students.
Several medical schools have recognised its value and have integrated beside ultrasound in the curriculum of medical students 6. Bedside cardiac ultrasonography is an emerging field, where teaching tools need to be developed and studied. Our article focuses on a new semi-quantitative method to evaluate a crucial cardiac parameter, the LVEF 7 , 8 , 9 , The semi-quantitative technique aims to improve bedside evaluation of LV function by discriminating low, moderately abnormal and normal LVEF in order to limit potential errors and improve quality of care.
Accordingly, we evaluated two echocardiographic methods for assessment of LVEF in emergency situations: All patients consented to participate in the study as approved by our ethics committee. The 12 patients were selected from a population of patients to represent three different subgroups of LVEF. The WMSI is a visual semi-quantitative assessment of regional wall motion.
The LV is divided into 16 segments. On the basal mitral and midventricular papillary muscle level, the circumference is divided into six segments and on the apical level into four segments. The score for each segment is graded according to the classical system: Both studies Echo and RNA were interpreted independently in a blinded fashion.
Patients with acute myocardial infarction or significant clinical changes in clinical condition between the two tests were excluded. Echocardiographic studies had to display sufficient endocardial definition to allow the evaluation of LV contractility.
Echocardiographic studies Echocardiographic studies were performed using a commercially available ultrasound system Hewlett-Packard Sonos or Hewlett Packard, Mississauga, ON, Canada with a 2. Data collection began in March and ended in February Although a complete transthoracic examination was performed in all patients, only the three classical parasternal short-axis views BMA, see Fig.
These echocardiograms were shown to two different groups of observers, the first one consisting of untrained physicians or medical students called novices NOV and the second group consisting of individuals experienced in echocardiography experienced observers PRO. The NOV group was composed of individuals without any previous echocardiography training.
Their only training consisted of viewing two brief cases: In the case of focal hypokinaesia or akinaesia, they were instructed to perform an approximate visual assessment. The PRO group was composed of six cardiologists 5—25 years of experience , 11 cardiology fellows with a minimum of 3—6 months of recent training and technicians in echocardiography 5—25 years of experience.
Download figure as PowerPoint slide Figure 1 A Parasternal short-axis view at the mitral valve level. B Parasternal short-axis view at the midventricular level. C Parasternal short-axis view at the apical level. Echo Research and Practice 2, 1; Only the three parasternal short-axis views were evaluated: Semi-quantitative method BMA Following visual assessment, unselected novice reviewers received a short introduction to the principle of the simplified WMSI.
A strong correlation between WMSI and LVEF has been clearly demonstrated in three studies involving a total of patients using either transthoracic echocardiography or cardiac resonance imaging
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Price Simplifying Vs. Proposition Simplifying: Understanding Your Options
October 4, 8 min read Opinions expressed by Entrepreneur contributors are their own. By comparing and contrasting them, you can begin to think about which you and your business might be able to execute before anyone else has the same idea. Simplicity results in the product being easier to make, so simplicity for the producer matters most. The producer operates on low margins but enjoys massive growth in revenues. The producer enjoys high margins and growth in both revenues and profits.
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No matter, the NFL has a simplified catch rule designed to eliminate confusion — and, the league hopes, controversy — about receptions. Team owners unanimously approved the new language Tuesday, with basically three elements defining a catch: The language was obscure and confusing.
WATCH: It’s a catch: NFL owners approve simplified catch language
The United Nations General Assembly Resolution was passed in response to the United Simplified Chinese, 联合国大会号决议 . the agenda, to ” restore to the People’s Republic of China all its rights and expel forthwith . since expulsion of a member requires the recommendation of the Security Council and . No matter, the NFL has a simplified catch rule designed to eliminate “I think the third step recommendation was excellent,” Packers coach Mike McCarthy said. of the officiating department to instruct on-field game officials to eject a player. particle 2 — the electron e(Ee,θe) ejected with the energy Ee and the angle of Several ionization models23,25–28,38 have been suggested and tested with in a simplified form Ψ(−)f = Ψ(−)p + Ψ(−)s, () Ψ(−)p,s = ψ(−)23(k(p,s)23(R1).