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Introduction: Chest pain is a common emergency department (ED) presentation accounting for 8-10 million visits per year in the United States. Physician-level factors such as risk tolerance are predictive of admission rates. The recent advent of accelerated diagnostic pathways and ED observation units may have an impact in reducing variation in admission rates on the individual physician level., Methods: We conducted a single-institution retrospective observational study of ED patients with a diagnosis of chest pain as determined by diagnostic code from our hospital administrative database. We included ED visits from 2012 and 2013. Patients with an elevated troponin or an electrocardiogram (ECG) demonstrating an ST elevation myocardial infarction were excluded. Patients were divided into two groups: "admission" (this included observation and inpatients) and "discharged." We stratified physicians by age, gender, residency location, and years since medical school. We controlled for patient- and hospital-related factors including age, gender, race, insurance status, daily ED volume, and lab values., Results: Of 4,577 patients with documented dispositions, 3,252 (70.9%) were either admitted to the hospital or into observation (in an ED observation unit or in the hospital), while 1,333 (29.1%) were discharged. Median number of patients per physician was 132 (interquartile range 89-172). Average admission rate was 73.7±9.5% ranging from 54% to 96%. Of the 3,252 admissions, 2,638 (81.1%) were to observation. There was significant variation in the admission rate at the individual physician level with adjusted odds ratio ranging from 0.42 to 5.8 as compared to the average admission. Among physicians' characteristics, years elapsed since finishing medical school demonstrated a trend towards association with a higher admission probability., Conclusion: There is substantial variation among physicians in the management of patients presenting with chest pain, with physician experience playing a role., Competing Interests: Conflicts of Interest: By the WestJEM article submission agreement, all authors are required to disclose all affiliations, funding sources and financial or management relationships that could be perceived as potential sources of bias. No author has professional or financial relationships with any companies that are relevant to this study. There are no conflicts of interest or sources of funding to declare.

Since the development of coronary care units (CCUs), telemetry has rapidly become the standard of care in evaluating patients with suspected acute coronary syndromes, regardless of the probability for ischemia. However, there is no data to support this practice. Our objective was to evaluate the utility of routine cardiac monitoring in a chest pain observation unit. We prospectively studied the utility of routine cardiac monitoring in 249 consecutive patients admitted to an observation unit in an academic Emergency Department over a 6-month period. All the patients presented with chest pain thought to be cardiac ischemia. Observation included serial cardiac enzymes, ECG cardiac monitoring, and exercise testing in a designated chest pain observation unit. These patients were determined to be at low risk for an acute coronary event by two criteria: first, the symptoms had resolved by the time of observation unit admission, and second, the initial ECG was normal, unchanged or non-diagnostic for acute ischemia. Adverse outcomes included cardiac arrest, hospital admission secondary to cardiac dysrhythmia, or alteration in the patient's medical therapy upon discharge from the observation unit, secondary to cardiac dysrhythmia. There were 249 patients included with a median age of 52 with 60% women. Fifteen percent of the patients were, subsequently, admitted to the hospital for further evaluation of ischemia based on enzyme, ECG, and exercise testing results. One patient with known Tachy-Brady syndrome was noted to have 1.5-2 s pauses while sleeping, and discharged with instructions to hold beta blocker therapy pending results of a continuous loop recorder. Of the remaining 248 patients, no patient suffered a cardiac arrest, no patient was admitted to the hospital secondary to cardiac dysrhythmia, and no alteration in a patient's medical therapy was made secondary to cardiac dysrhythmia. No patient returned to the Emergency Department within 72 h with cardiac arrest, acute dysrhythmia or acute myocardial infarction. Although telemetry may be the standard of care in evaluating the patients with suspected acute coronary syndromes, regardless of the probability of an acute ischemic syndrome, in those patients with a normal or non diagnostic ECG and resolved symptoms, routine cardiac monitoring is unnecessary.

The present study examined current and lifetime psychiatric morbidity, chest pain, and health care utilization in 229 patients with noncardiac chest pain (NCCP), angina-like pain in the absence of cardiac etiology. Diagnostic interview findings based on the Diagnostic and Statistical Manual of Mental Disorders (4th ed.; DSM-IV; American Psychiatric Association, 1994) revealed a psychiatrically heterogeneous sample of whom 44% had a current Axis I psychiatric disorder. A total of 41% were diagnosed with a current anxiety disorder, and 13% were diagnosed with a mood disorder. Overall, 75% of patients had an Axis I clinical or subclinical disorder. Lifetime diagnoses of anxiety (55%) and mood disorders (44%) were also prevalent, including major depressive disorder (41%), social phobia (25%), and panic disorder (22%). Patients with an Axis I disorder reported more frequent and more painful chest pain compared with those without an Axis I disorder. Presence of an Axis I disorder was associated with increased life interference and health care utilization. Findings reveal that varied DSM-IV Axis I psychiatric disorders are prevalent among patients with NCCP, and this psychiatric morbidity is associated with a less favorable NCCP presentation. Implications for early identification of psychiatric disorders are discussed., ((c) 2008 APA, all rights reserved)