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Waiting Room Assessment of Patients with Chest Pain
Safety of Assessment of Patients With Potential Ischemic Chest Pain in an Emergency Department Waiting Room: A Prospective Comparative Cohort Study.
Ann Emerg Med. 2010 May 23.
Scheuermeyer FX, et al
Department of Emergency Medicine, St. Paul's Hospital and the University of British Columbia, Vancouver, British Columbia, Canada.
Abstract
STUDY OBJECTIVE: Emergency department (ED) crowding has been associated with a variety of adverse outcomes. Current guidelines suggest that patients with potentially ischemic chest pain should undergo rapid assessment and treatment in a monitored setting to optimize the diagnosis of acute coronary syndrome. These patients may be at high risk of incorrect diagnosis and adverse events when their evaluation is delayed because of crowding. To mitigate crowding-related delays, we developed processes that enabled emergency physicians to evaluate potentially sick patients in the waiting room when all nurse-staffed stretchers are occupied. The objective of this study was to investigate the safety of waiting room chest pain evaluation.
METHODS: This prospective comparative cohort study was conducted in a busy urban, tertiary care ED. Explicit triage and waiting room evaluation processes were introduced. One thousand one hundred seven patients with chest pain of potential cardiac origin were triaged either to a monitored bed or a waiting room chair, depending on bed availability and triage judgment. After diagnostic evaluation, patients were followed for 30 days to identify the proportion of missed cases of acute coronary syndrome (primary outcome) and other prespecified adverse events. Analysis was based on intention to treat.
RESULTS: Eight hundred four patients were triaged to monitored bed and 303 to waiting room evaluation. Initial vital signs were similar, but the waiting room group was younger and had lower rates of some cardiovascular risk factors. The rate of acute coronary syndrome, defined as acute myocardial infarction or objective unstable angina, was 11.7% in the monitored bed group and 7.6% in waiting room patients. There were no missed acute coronary syndrome cases in either the monitored bed group (0%; 95% confidence interval [CI] 0% to 0.4%) or the waiting room group (0%; 95% CI 0% to 1.0%). There were 32 adverse events in the monitored bed group (4.0%; 95% CI 2.6% to 5.3%) and 2 in the waiting room group (0.7%; 95% CI 0% to 1.6%).
CONCLUSION: Our organized approach to triage and waiting room evaluation for stable chest pain patients was safe and efficient. Although waiting room evaluation is not ideal, it may be a feasible contingency strategy for periods when ED crowding compromises access to monitored, nurse-staffed ED beds.
Featured Angina| Acute Coronary Syndrome and Heart Disease Interviews
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Author Interview: Claes Held MD
Associate professor at Uppsala Clinical Research Center and the
Cardiology department at Uppsala University Hospital in Sweden
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Publication:
Physical activity levels, ownership of goods promoting sedentary behaviour and risk of myocardial infarction: results of the INTERHEART study
Eur Heart J first published online January 11, 2012 doi:10.1093/eurheartj/ehr432
2012 doi:10.1093/eurheartj/ehr432
Claes Held, Romaina Iqbal, Scott A. Lear, Annika Rosengren, Shofiqul Islam,James Mathew, and Salim Yusuf
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What are the main findings of the study?
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The main findings are he following:
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It is well known that physical inactivity is a risk factor for developing cardiovascular disease.
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Our study shows that being physically active reduces the risk of having a heart attack.
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Older studies have mostly studied people in the developed countries. This study which has a global perspective and includes 52 countries from all continents, shows that physical inactivity reduces the risk also in both low- middle-and high-income countries.
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We also found that ownership of a car and TV was associated with a more than doubled risk of being sedentary and that in low- and middle income the risk for a heart attack was increased with 27 %.
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We can however, not conclude from this study that there is a causal relationship but it is an interesting finding.
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Were any of the findings unexpected?
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We looked at the relationship between physical activity both at work and during leisure time.
A bit surprising was that people with heavy physical labor did not have a reduction in the risk of heart attacks, whereas people with both mild and moderate intensity did.
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What should clinicians and patients take away from this study?
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The main findings above and also that physical activity with duration below the recommended 30 minutes/day does seem to prevent from heart attacks as well although not as much as when you do it according to guidelines.
This may be a comfort to those who are completely sedentary and feel that it would be a too big step to move to the 30 minutes/day right away.
All PA does a good job for the heart as compared to not doing anything at all!
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What recommendations do you have for cardiology health care providers as a result of your study?
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It would be interesting to follow up on the ownership of car and TV and do a prospective study to see if the theory holds true.
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Abstract
Background— Despite data showing the benefits of implantable cardioverter-defibrillator (ICD) insertion for primary prevention in populations at risk for sudden death, professional society guidelines recommending primary prevention, and recognition by payers of the clinical value of ICDs in these populations, ICDs for primary prevention remain underused. We sought to determine whether implementing a screening tool would increase appropriate identification of patients showing clinical evidence of ICD benefit and prompt referral to an electrophysiologist for ICD implantation.
Methods and Results— Screening tools were affixed to medical records for patients seen in 2 outpatient cardiology offices that queried ejection fraction and whether referral to an electrophysiologist was made (N=6632).
The number of appropriate referrals in the screening period were compared with analogous data collected before implementation of the screening tool (control period) through retrospective record review (n=3606). Significantly more eligible patients were offered referral during the screening period than during the control period at both sites, 80% (8/10 eligible) versus 33% (5/15) at site 1 (P<0.02) and 100% (44/44) versus 60% (21/35) at site 2 (P<0.001). Of all patients offered referral, 41% (32/78) accepted.
Conclusions— The use of a screening tool increases referral to electrophysiology for patients in whom placement of an ICD confers the benefit of sudden cardiac death primary prevention. Barriers to referral include both physician and patient factors. Verification of these findings on a larger scale as well as studies defining the foundation of these barriers may further improve use of ICDs in patients for whom their mortality benefit is well described.
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Keywords and tags:
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Angina | Heart Disease Resourses
| Chest Pain
Amazon.com 's Editorial Reviews
Angina: New Ways to Treat
Chronic Chest Pain
Part of the award winning public television series Healthy head
/Healthy Mind. It's one of the scariest medical symptoms for people who are generally healthy: a tightening, painful feeling in the chest known as Angina. In some cases this chest pain can be a serious warning that requires immediate treatment. But for the millions of people with chronic, stable angina the discomfort is something that can be readily managed with a variety of treatments. In this program we take a look at what generally causes angina, what can be done to prevent it and how it can be effectively treated with lifestyle changes, innovative drug therapies and medical procedures.
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Amazon.com Editorial Review:
Philips HeartStart Home Defibrillator (AED)
Be prepared for the unexpected.
When sudden cardiac arrest (SCA) strikes, the electrical system of the heart short circuits, causing the heart to quiver rather than pump in a normal rhythm. It typically results in the abnormal heart rhythm know as ventricular fibrillation (VF). It usually happens without warning and the majority of people have no previously recognized symptoms of heart disease. And it most often happens at home. For the best chance of survival from SCA caused by VF, a defibrillator should be used within 5 minutes. Yet, less than 1 in 20 people survive largely because a defibrillator does not arrive in time.
Just as seat belts or airbags do not save every life in a traffic accident, a defibrillator will not save every person who suffers a sudden cardiac arrest. Yet many lives could be saved if more people could be reached more quickly.
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