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https://www.readbyqxmd.com/read/29217178/factors-associated-with-advanced-cardiac-care-in-prehospital-chest-pain-patients
#1
Adam Frisch, Kenneth J Heidle, Stephanie O Frisch, Ashar Ata, Brandon Kramer, Caroline Colleran, Jestin N Carlson
INTRODUCTION: Many patients transported by emergency medical services (EMS) may require advanced cardiac care but do not have ST-segment elevation (STEMI) on the initial prehospital EKG. We sought to identify factors associated with the need for advanced cardiac care in undifferentiated EMS patients reporting chest pain in the absence of STEMI on EKG. METHODS: We performed a retrospective analysis of all adult patients, reporting atraumatic chest pain from a single EMS agency, presenting to a single, urban hospital over a 10-year period...
December 5, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28886785/reducing-door-in-door-out-intervals-in-helicopter-st-segment-elevation-myocardial-infarction-interhospital-transfers
#2
Michael A Schneider, Jason T McMullan, Christopher J Lindsell, Kimberly W Hart, Diana Deimling, Debra Jump, Todd Davis, William R Hinckley
BACKGROUND: Many health systems rely on helicopter EMS (HEMS) to transfer ST-elevation myocardial infarction (STEMI) patients for percutaneous coronary intervention (PCI) to a hospital with a catheterization laboratory. Mortality rates increase with the time to reperfusion, so reducing delays is imperative. For interhospital STEMI transfers, the time spent in the initial hospital from arrival until departure (door-in to door-out interval or DIDO) should be minimized. OBJECTIVE: To evaluate the impact of a series of process improvements to reduce DIDO intervals for STEMI patients transferred via a hospital based HEMS program...
September 2017: Air Medical Journal
https://www.readbyqxmd.com/read/28804656/pneumomediastinum-and-mediastinal-hematoma-secondary-to-right-brachiocephalic-vein-thrombectomy-mimicking-stemi
#3
Prem Shukla, Prudence Dy, Rishi Raj, Sayee Sundar Alagusundaramoorthy, Noel Nivera
A 50-year-old male with a history of hemodialysis dependent chronic kidney disease presented to our emergency department with acute midsternal crushing chest pain. Patient was diagnosed with acute anterolateral wall Myocardial Infraction due to the presence of corresponding ST segment elevations in EKG and underwent emergent cardiac catheterization which revealed normal patent coronaries without any disease. He continued to have chest pain for which CT of the chest was done which revealed pneumomediastinum with mediastinal hematoma, due to the recent attempted thrombectomy for thrombus in his right brachiocephalic vein...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28414682/a-left-main-coronary-artery-thrombus-presenting-as-a-non-st-elevation-mi
#4
U Ezema, D Daberkow, T Delord, L Guidry, N R Sells
INTRODUCTION: Left main coronary artery (LMCA); thrombus with an acute myocardial infarction identified with coronary angiography is a clinically rare condition with an extremely high mortality rate. We present a case of LMCA thrombus that presented as a non-ST elevation myocardial infarction (NSTEMI);. CASE: A 45-year-old woman with a history of tobacco use and hyperlipidemia presented with a complaint of 10/10 "hard pain" across her chest radiating to her left shoulder and breast which woke her from sleep...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28414673/purulent-pericarditis-due-to-an-infected-pacemaker-lead
#5
Teresa Backes
INTRODUCTION: Intravenous drug users have a substantially increased risk of infective endocarditis, especially in the setting of implanted cardiac devices. Purulent pericarditis is a rare occurrence that can occur iatrogenically or through direct or hematogenous spread. CASE DESCRIPTION: A 75 year old man with a past medical history significant for hepatitis C, IV drug abuse, and sick sinus syndrome status post pacemaker was brought in by EMS with a chief complaint of diaphoresis and chest pain...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28218629/fever-induced-brugada-pattern-misdiagnosed-as-an-acute-myocardial-infarction
#6
David Tadin, Roberto Quintal
The Brugada syndrome is a rare condition associated with increased risk of ventricular tachyarrhythmias and sudden cardiac death (SCD). The Brugada pattern on electrocardiogram (EKG) is known to be revealed by several precipitants including febrile illnesses. The appearance of a Brugada pattern on EKG with fever may indicate an elevated risk of arrhythmia or sudden cardiac death. We report a case in which the electrocardiographic abnormality of Brugada pattern induced by sepsis was initially misinterpreted as a ST-segment elevation myocardial infarction (STEMI)...
January 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/27358099/acute-st-elevation-myocardial-infarction-in-fulminant-systemic-p-anca-vasculitis-a-rare-catastrophic-complication
#7
Kanupriya Mathur, Aditya Saini, Tonjeh Bah, Pavan Katikaneni
A 45-year-old Caucasian man presented to the hospital with a 3-month history of fatigue, bilateral upper and lower limb paresthesias and gradually worsening ascending paralysis. A few weeks later, he developed acute renal failure requiring haemodialysis. Investigations revealed presence of myeloperoxidase (MPO) perinuclear antineutrophil cytoplasmic antibodies (ANCA). Renal biopsy was conclusive for rapidly progressive glomerulonephritis with crescents. Treatment for ANCA positive vasculitis was initiated with pulsed steroids, cyclophosphamide and plasmapheresis...
June 29, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/26880720/effective-percutaneous-edge-to-edge-mitral-valve-repair-with-mitraclip-in-a-patient-with-acute-post-mi-regurgitation-not-related-to-papillary-muscle-rupture
#8
Giandomenico Tarsia, Costantino Smaldone, Marco F Costantino
A 65-year-old woman was admitted to our institution for rest dyspnea and hypotension. EKG showed sinus tachycardia with signs of infero-posterior STEMI. 2D-echocardiogram showed severe left ventricular systolic dysfunction with a- diskynesia of the inferior and posterior walls and severe functional mitral regurgitation (MR). The patient underwent urgent coronary angiography that showed 3-vessels disease with total occlusion of both first obtuse marginal (OM) branch of the left circumflex artery and right coronary artery (RCA) and critical stenosis of left anterior descending (LAD)...
December 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/26292969/exploring-the-treatment-delay-in-the-care-of-patients-with-st-elevation-myocardial-infarction-undergoing-acute-percutaneous-coronary-intervention-a-cross-sectional-study
#9
MULTICENTER STUDY
Joppe Tra, Ineke van der Wulp, Martine C de Bruijne, Cordula Wagner
BACKGROUND: A short delay between diagnosis and treatment for patients diagnosed with ST-elevation myocardial infarction (STEMI) is vital to prevent cardiac damage and mortality. The objective of this study was to explore the treatment delay and associated factors in the management of patients diagnosed with STEMI going for percutaneous coronary intervention (PCI). METHODS: In a cross-sectional multicenter study, the treatment delay (time between first electrocardiogram and start of PCI procedure) of STEMI patients in seven PCI centers in the Netherlands was measured...
2015: BMC Health Services Research
https://www.readbyqxmd.com/read/26228447/tpeak-to-tend-qt-is-an-independent-predictor-of-early-ventricular-arrhythmias-and-arrhythmic-death-in-anterior-st-elevation-myocardial-infarction-patients
#10
Giacomo Mugnai, Giovanni Benfari, Alfredo Fede, Andrea Rossi, Gian-Battista Chierchia, Francesca Vassanelli, Giuliana Menegatti, Flavio Luciano Ribichini
BACKGROUND: The aim of our study was to analyse the markers of transmural dispersion of ventricular repolarization, especially Tpeak-to-Tend and Tpeak-to-Tend /QT ratio, in patients with anterior ST elevation myocardial infarction on admission and to evaluate their association with in-hospital life-threatening arrhythmias and mortality. METHODS AND RESULTS: A total of 223 consecutive patients with anterior wall ST elevation myocardial infarction admitted to our Division of Cardiology between January 2010 and December 2012 were prospectively evaluated...
October 2016: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/26226864/chameleons-electrocardiogram-imitators-of-st-segment-elevation-myocardial-infarction
#11
REVIEW
Jose V Nable, Benjamin J Lawner
The imperative for timely reperfusion therapy for patients presenting with ST-segment elevation myocardial infarction (STEMI) underscores the need for clinicians to have an understanding of how to distinguish patterns of STEMI from its imitators. These imitating diagnoses may confound an evaluation, potentially delaying necessary therapy. Although numerous diagnoses may mimic STEMI, several morphologic clues may allow the physician to determine if the pattern is concerning for either STEMI or a mimicking diagnosis...
August 2015: Emergency Medicine Clinics of North America
https://www.readbyqxmd.com/read/26217418/diagnostic-reasoning-for-st-segment-elevation-myocardial-infarction-stemi-interpretation-is-preserved-despite-fatigue
#12
MULTICENTER STUDY
Adam R Kellogg, Ryan A Coute, Gregory Garra
BACKGROUND: Fatigue and sleepiness contribute to medical errors, although the effect of circadian disruption and fatigue on diagnostic reasoning skills is largely unknown. OBJECTIVE: To determine whether circadian disruption and fatigue negatively affect the emergency medicine (EM) resident's ability to make important clinical decisions based on electrocardiogram (ECG) interpretation. METHODS: Senior EM residents at 2 programs completed a questionnaire consisting of various measures of fatigue followed by an ECG test packet of ST-segment elevation myocardial infarction (STEMI) and STEMI mimics...
March 2015: Journal of Graduate Medical Education
https://www.readbyqxmd.com/read/26177736/unveiling-differences-between-patients-with-acute-coronary-syndrome-with-and-without-st-elevation-through-fingerprinting-with-ce-ms-and-hilic-ms-targeted-analysis
#13
Shama Naz, Ángela Algaba Calderón, Antonia García, Jessica Gallafrio, Rodrigo Teijeiro Mestre, Elena González González, Carlos Muñoz de Cabo, Mari Cruz Martín Delgado, José ÁngelLorente Balanza, Ana Valéria Colnaghi Simionato, Nicolás Nin Vaeza, Coral Barbas, Francisco J Rupérez
Differences in the degree and severity of Acute Coronary Syndrome, associated to differences in the electrocardiogram, together with blood tests of biomarkers classify patients for diagnosis and treatment. Cases where the electrocardiogram and/or biomarkers are not conclusive still appear, and there is a need for complementary biomarkers for routine determinations. Metabolomics approaches with blind fingerprinting could reveal differences in metabolites, which must be confirmed by means of targeted determinations...
July 14, 2015: Electrophoresis
https://www.readbyqxmd.com/read/26130984/rituximab-induced-acute-st-elevation-myocardial-infarction
#14
Amit N Keswani, Cody Williams, Jyotsna Fuloria, Nichole M Polin, Eiman Jahangir
BACKGROUND: Rituximab has rarely been associated with acute coronary syndrome (ACS). We report the case of a patient in whom rituximab, a monoclonal antibody used to treat lymphomas of B-cell origin, induced ST elevation myocardial infarction. CASE REPORT: A 46-year-old male patient diagnosed with stage II non-Hodgkin lymphoma presented to the emergency department with acute crushing, substernal chest pain that radiated to his back 1 day after a chemotherapy infusion with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone...
2015: Ochsner Journal
https://www.readbyqxmd.com/read/26117462/outcomes-of-comatose-cardiac-arrest-survivors-with-and-without-st-segment-elevation-myocardial-infarction-importance-of-coronary-angiography
#15
MULTICENTER STUDY
Karl B Kern, Kapildeo Lotun, Nainesh Patel, Michael R Mooney, Ryan D Hollenbeck, John A McPherson, Paul W McMullan, Barbara Unger, Chiu-Hsieh Hsu, David B Seder
OBJECTIVES: The aim of this study was to compare outcomes and coronary angiographic findings in post-cardiac arrest patients with and without ST-segment elevation myocardial infarction (STEMI). BACKGROUND: The 2013 STEMI guidelines recommend performing immediate angiography in resuscitated patients whose initial electrocardiogram shows STEMI. The optimal approach for those without STEMI post-cardiac arrest is less clear. METHODS: A retrospective evaluation of a post-cardiac arrest registry was performed...
July 2015: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/26105174/mid-ventricular-obstructive-hypertrophic-cardiomyopathy-and-apical-aneurysm-mimicking-acute-st-elevation-myocardial-infarction
#16
Li Cui, Ya Suo, Yuntao Zhao, Guangping Li, Tong Liu
Nonischemic ST-segment elevation may be confused as acute ST-elevation myocardial infarction (STEMI), especially in patients with atypical presenting symptoms. Among the possible differential diagnosis, hypertrophic cardiomyopathy (HCM) should be considered. Mid-ventricular obstructive hypertrophic cardiomyopathy (MVOHCM) is a rare type of cardiomyopathy, accounting for approximately 5% of all HCM cases. ST-segment elevation on electrocardiogram (ECG) in patients with MVOHCM is a rare clinical presentation...
January 2016: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/26091654/key-clinical-features-a-general-internist-needs-to-know-about-brugada-syndrome-a-case-based-discussion
#17
WuQiang Fan, Laura Chachula, Yin Wu, Koroush Khalighi
INTRODUCTION: Brugada syndrome (BrS) is an autosomal dominant genetic disorder involving the abnormal function of cardiac voltage-gated sodium ion channels. Sodium channel loss of function can lead to early repolarization and loss of the Phase 2 action potential dome in cardiomyocytes. In BrS, this sodium channelopathy occurs in some, but not all, epicardial cells thus creating 1) juxtaposition of depolarized and repolarized cells in the epicardium and 2) a transmural voltage gradient...
2015: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/26027628/reduced-dose-tenecteplase-and-outcomes-in-elderly-st-segment-elevation-myocardial-infarction-patients-insights-from-the-strategic-reperfusion-early-after-myocardial-infarction-trial
#18
RANDOMIZED CONTROLLED TRIAL
Paul W Armstrong, Yinggan Zheng, Cynthia M Westerhout, Fernado Rosell-Ortiz, Peter Sinnaeve, Yves Lambert, Renato D Lopes, Erich Bluhmki, Thierry Danays, Frans Van de Werf
BACKGROUND: Elderly patients with ST-segment elevation myocardial infarction (STEMI) have worse outcomes and a greater risk of intracranial bleeding than nonelderly patients. Baseline characteristics, clinical outcomes, and the relationship of the tenecteplase (TNK) dose reduction to the efficacy, safety, and electrocardiographic indicators of reperfusion efficacy were evaluated in STEMI patients ≥75 years. METHODS: The STREAM trial evaluated early presenting STEMI patients who could not undergo primary percutaneous coronary intervention within 1 hour of first medical contact...
June 2015: American Heart Journal
https://www.readbyqxmd.com/read/26024432/prehospital-nitroglycerin-safety-in-inferior-st-elevation-myocardial-infarction
#19
Laurie Robichaud, Dave Ross, Marie-Hélène Proulx, Sébastien Légaré, Charlene Vacon, Xiaoqing Xue, Eli Segal
Patients with inferior ST elevation myocardial infarction (STEMI), associated with right ventricular infarction, are thought to be at higher risk of developing hypotension when administered nitroglycerin (NTG). However, current basic life support (BLS) protocols do not differentiate location of STEMI prior to NTG administration. We sought to determine if NTG administration is more likely to be associated with hypotension (systolic blood pressure < 90 mmHg) in inferior STEMI compared to non-inferior STEMI...
2016: Prehospital Emergency Care
https://www.readbyqxmd.com/read/26002889/air-versus-oxygen-in-st-segment-elevation-myocardial-infarction
#20
RANDOMIZED CONTROLLED TRIAL
Dion Stub, Karen Smith, Stephen Bernard, Ziad Nehme, Michael Stephenson, Janet E Bray, Peter Cameron, Bill Barger, Andris H Ellims, Andrew J Taylor, Ian T Meredith, David M Kaye
BACKGROUND: Oxygen is commonly administered to patients with ST-elevation-myocardial infarction despite previous studies suggesting a possible increase in myocardial injury as a result of coronary vasoconstriction and heightened oxidative stress. METHODS AND RESULTS: We conducted a multicenter, prospective, randomized, controlled trial comparing oxygen (8 L/min) with no supplemental oxygen in patients with ST-elevation-myocardial infarction diagnosed on paramedic 12-lead ECG...
June 16, 2015: Circulation
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