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Arrhythmias, Dysrhythmias, EKG, EchocardiogramsOn-line resources pertaining to cardiology. Everything about the heart. Heart arrhythmias information, electrocardiographic arrhythmias and more. Collection of 12-lead recordings and rhythm strips in a variety of formats. Arrhythmias / DysrhythmiasAccelerated Idioventricular Rhythm - Complete review of the pathophysiology, clinical presentation, physical findings, and diagnostic methods available for accelerated idioventricular rhythm at this 11-section site. Arrhythmia Recognition, Marquette Electronics Arrhythmias Patient information about cardiac arrhythmias. A general overview of the condition and discussions of bradycardia and tachycardia. Arrhythmias This site educates the user about many topics related to arrhythmia. Sections on bradycardias and tachycardias, as well as information about sudden cardiac death, cardiac electrophysiology studies, and treatments for electrophysiological abnormalities. Arrhythmias and Conduction Disorders - From the online Merck Manual of Geriatrics, this site discusses the incidence, significance, and treatment of cardiac arrhythmias in geriatric patients. Topics discussed include tachyarrhythmias and ectopic beats, specific arrhythmias, supraventricular ectopic beats, atrial tachycardias, ventricular ectopic beats, and general treatment considerations. Atrial Ectopic Beats - The causes of premature beats, representative ECG tracing of the disorder. Identification of precipitating factors and treatment are discussed, and related links in the "Arrhythmias" chapter are accessible. Atrial Fibrillation - CME education for physicians, accredited by the Accreditation Council for Continuing Medical Education, which include core content, case studies, clinical endpoints, and treatment planning in atrial fibrillation. Atrial Fibrillation - An overview of atrial fibrillation. An introduction includes background details, pathophysiology, frequency and information about mortality, sex, and age. Clinical review concerning the patient history, physical findings and causes is provided and workup review includes laboratory studies, imaging studies and other diagnostic tests. Treatment modalities, medication and follow-up procedures are recommended and ECG images are provided. Atrial Fibrillation Management Guidelines August 2001, ACC/AHA/ESC Guidelines for the Management of Patients with Atrial Fibrillation, Full Text Atrial Fibrillation Clinical Trials Listing of Clinical Research Trials for Atrial Fibrillation. Atrial Flutter - Description of atrial flutter. It includes symptoms, signs, diagnosis, and treatment. Discussion regarding specific pharmacotherapeutic agents and radio frequency ablation is found and links to additional arrhythmia sites within the online publication are provided. AV Nodal Reentry Tachycardia - General information regarding the most common type of paroxysmal supraventricular tachycardia, with general pathophysiology of the condition discussed. Basic Dysrhythmia Pocket Reference - American Assoc. Critical Care Nurses & GE Medical [PDF - 6.32Mb] Basic EKG Dysrhythmia Identification This online course for nurses and other health professionals explains the basics of reading an EKG output, including details on how to identify and diagnose dysrhythmia. It is easy to read and simple to navigate; nurses can earn credit for studying the site. Bradycardias - Information on slow heart rates, including normal and abnormal variants. Particular attention to sick sinus syndrome and heart block (AV block) is found, including a definition of each, ECG tracings, and information on tolerability of slow heart rates. Cardiac Arrhythmias - Physician information about cardiac arrhythmias. Included is a discussion of atrial fibrillation with a hyperlink to advanced cardiac life support protocols for acute management of atrial fibrillation with a rapid ventricular response. Information about paroxysmal supraventricular tachycardia, ventricular tachycardia, and sick sinus syndrome is offered. Cardiac Arrhythmia Advisory System Provides access to analysis of various ECG cases, including an original ECG tracing, a GIF image, and the opportunity to examine the clinical electrophysiology data used to create the example. Cardiac Monitoring Pocket Reference - Philips Medical Systems [PDF - 178Kb] Chaotic and Multifocal Atrial Tachycardia - Short description of chaotic and multifocal atrial tachycardia. Features of their occurrence and management options are reviewed, with links to related topics accessible from the site. Escape and Premature Beats - ECG examples of atrial escape, junctional escape, ventricular escape, premature atrial contraction, premature junctional contraction and premature ventricular contraction. Images and explanations are provided. Heart Block - A discussion of sinoatrial and atrioventricular nodes is found at this page, which offers a description of signal impairment of heart block. First-degree, second-degree, and third-degree heart block are discussed, and related publications and AHA Scientific Statements are available. Heart Block, First Degree - Pathophysiology of first-degree heart block. The clinical presentation and causes are outlined, and links to similar information on second and third-degree heart block are available. Laboratory studies, emergency department care, inpatient care, and possible complications are considered. Junctional Rhythm - Descriptions of types of junctional rhythms are found at this page, including junctional bradycardia and accelerated junctional tachycardia. Causes, differential links, diagnostic tests and findings, and management information are reviewed, for a complete introduction to the topic. Example ECG tracings are included. Management of Tachyarrhythmias in the Emergency Room - At this site index, users will find links to an introduction on epidemiology and diagnostic procedures; tutorials on narrow QRS tachycardias with regular and irregular rhythm; and a discussion of wide QRS tachycardias. Diagnostic and therapeutic algorithms are included for each, and pharmaceutical interventions are thoroughly detailed. Manuals on Cardiac Arrhythmias - Management of tachyarrhythmias in the emergency room, in addition to the correct use of propafenone. The epidemiology, diagnostic procedures, and specific tachycardias are discussed, and information is provided on the electrophysiological effects, as well as the pharmacological and pharmacokinetic considerations of cardiac arrhythmia management. Multifocal Atrial Tachycardia - 10-part review of multifocal atrial tachycardia, authored by Robin R. Hemphill, M.D., of Vanderbilt University. The physical presentation and causes are outlined, and information on the diagnostic workup is provided. Links to differentials to be considered are included in the review, as well as a thorough treatment overview. Monomorphic Ventricular Tachycardias information and treatment recommendations. Narrow QRS Tachycardias with Regular Rhythm - Management of Tachyarrhythmias in the Emergency Room, this site provides guidelines on treating narrow-QRS tachycardias with regular rhythm. The site includes flowcharts, tables, and diagrams. Discussion includes atrial tachycardia, atrial flutter classification, paroxysmal reentrant tachycardia, and drug therapy. Paroxysmal Supraventricular Tachycardia (PSVT) in the Pediatric Patient PSVT (Paroxysmal Supraventricular Tachycardia) is an arrhythmia that affects one out of every 250 to 1,000 children. This online course teaches nurses and healthcare professionals working with pediatric patients how to identify and manage the disease. It is comprehensible and easy to explore. Polymorphic Ventricular Tachycardias Common components and treatment recommendations. Premature Beats - The professional section of the AHA Web site includes this discussion of atrial rhythm disturbances. Specific information on the occurrence of premature beats is presented, as well as associated ECG findings and possible precipitating factors. A summary of ECG criteria is included. Reentrant Tachycardias - The first in a series of articles on clinical electrophysiology, this Postgraduate Medicine paper discusses the management of one of the most common sudden-onset supraventricular tachycardias, AV nodal reentrant tachycardia. The classic form of the condition is described, as well as its difficult diagnosis. Management, pharmacologic therapy, and the use of radiofrequency catheter ablation procedures are introduced. Additional forms of dysrhythmias involving the AV node or an accessory pathway and the use of ablation techniques for effective management of most supraventricular tachycardias are examined. Sick Sinus Syndrome - A variety of abnormalities of sinus node function are reviewed at this site of the online Merck Manual of Diagnosis and Therapy, including persistent sinus bradycardia, sinoatrial block manifested as sinoatrial Wenckebach, complete sinoatrial block, and sinus arrest. An important variant of sick sinus syndrome, bradycardia-tachycardia syndrome, is reviewed, and information on symptoms and diagnosis, as well as permanent pacing treatment, is provided. Sinus Bradycardia - Containing information on presentation, diagnosis, and treatment, this eMedicine site offers a thorough overview of slow sinus rhythm. Pathophysiology, dependent on underlying cause, is discussed, and an anticholinergic agent profile is included. Sinus Bradycardia - An ECG illustration of sinus bradycardia is provided, along with a table showing rate, P wave, QRS, conduction, and rhythm. Also included are a short description of the disorder, a list of possible treatments, and information on junctional rhythm. Sorting Out Supraventricular Tachycardias - Distinctions are made at this SpringNet educational site between various tachycardias and supraventricular tachycardias (SVT), resulting from reentry, altered automaticity, or triggered activity. Information is provided on sinus tachycardia, the most familiar SVT; paroxysmal supraventricular tachycardia (PSVT); and methods of differentiating the various types of PSVT. An online test with instant processing is available. Supraventricular Tachycardia - A list of references and abstracts, this site contains more than 60 citations related to supraventricular tachycardia, courtesy of the American Heart Journal. Institutional contact information is provided for each study. Tachycardias Clinical Resources - Topics include atrial flutter, ventricular fibrillation, multifocal atrial tachycardia, and atrial ectopic beats, with clinical resources including eMedicine, Family Practice Handbook, the online Merck Manual, and CliniWeb. Information specific to pediatric disorders and links to clinical guidelines and Scientific Statements of the American Heart Association may be accessed, as well as those of the National Guideline Clearinghouse. Tachycardia Therapy Information about normal conduction, including methods of control of tachycardia rhythms. Texas Arrhythmia Institute Non-profit institution providing original content information on cardiac arrhythmias, sudden cardiac death and syncope. Torsade de Pointes Complete introduction and detailed clinical information for torsade de pointes. eMedicine Torsade de Pointes Information about the mechanism of torsade de pointes, causes and commonly associated agents. Torsade de Pointes Information and treatment recommendations. Transcutaneous Pacing Pocket Card - Outlines the emergency indications, keyy points, patient preparation, and care of the patient. Philips Medical Systems [PDF - 223Kb] Ventricular Rhythm Disturbances General information on ventricular arrhythmias. American Heart Associations online encyclopedia. Ventricular Tachycardia background and clinical information, including main symptoms, risk factors and physical findings associated with the disorder. eMedicine Ventricular Tachycardia Clinical Cases Clinical cases in ventricular tachycardia with case history details, diagnostic and procedural review, outcome and follow-up comments. Wide-QRS Tachycardias Management of Tachyarrhythmias in the Emergency Room. Guidelines on treating wide-QRS tachycardias and common causes of the disorder. Wide Complex Tachycardia Assessment An algorithm for diagnosis, based on a clinical study found in
Circulation. Yale University Cardiovascular Medicine. Electrocardiographic Arrhythmias
EKGs ElectrocardiogramsAnalysis of corrected QT interval - Input data and it calculates the QT interval for you. Basic Dysrhythmia Pocket Reference - American Assoc. Critical Care Nurses & GE Medical [PDF - 6.32Mb] Cardiac Monitoring Pocket Reference - Philips Medical Systems [PDF - 178Kb] ECG Learning Center in Cyberspace - This interactive ECG tutorial represents an introduction to clinical electrocardiography. ECG terminology and diagnostic criteria often vary from book to book and from one teacher to another. In this tutorial an attempt has been made to conform to standardized terminology and criteria, although new diagnostic concepts derived from the recent ECG literature have been included in some of the sections. Finally, it is important to recognize that the mastery of ECG interpretation, one of the most useful clinical tools in medicine, can only occur if one acquires considerable experience in reading ECG's and correlating the specific ECG findings with the pathophysiology and clinical status of the patient. ECG simulator - SkillStat's Six Second ECG. Challenge yourself to a game. EKG case studies and EKG encyclopedia Collection of 12-lead recordings and rhythm strips in a variety of formats. EKG fact sheet - The New York Hospital, Cornell Medical Center. EKG of the Month - Provides challenging EKG's with explanations. EKG of the week and other elctrocardiography information Ricky McCrory's EMS/Cardiology Page. EKG World Encyclopedia - This site includes tracings of similar interest (e.g. Devices for Electrical Therapy), and presents cases with relevant clinical data and comments from MDs in the field (e.g. the effect of MI on the paced EKG). Electrocardiogram (ECG, EKG) library - This library is a collection of realistic looking recordings which will help improve your ECG skills. Electrocardiograms, EKG, ECG, echocardiograms, pacemaker x-rays, puzzler Electrocardiography of MI (ECG Tutorial) - Myocardial Infarction EKG Index Elementary ECG (EKG) introduction - Loyola University Chicago. EMBBS Electrocardiogram of Month Introduction to the 12 Lead EKG - The Atlanta Cardiology Group. Journal of Cardiology ECG Home Page Junior doctor's advice sheet on 12-lead electrocardiography J. Gallardo Bañez's ECG tutorial MC resources page with rhythm strip quiz. Myocardial Infarction EKG's - This site contains a list of 23 cases of ECGs and Interpretations. New York University, EKG Tutorial Menu - Nursing course notes, basic theory. Normal Electrocardiographic Variants Online Journal of Cardiology - McGill University Pediatric ECGs - Tulane University Hospital and Medical center, New Orleans Principles of electrocardiography University of Arizona. The Virtual Cath Lab. ECG section Rhythm Master - Test your rhythm recognition skills. There are 3 strips per page, with 7 pages in all. You select the correct answer and receive instant gratification. 12-lead ECG Examples for Students - University of Texas Health Sciences Center EchocardiogramsBulging Pericardial Patch Post Repair Congenital Unicuspid Aortic Valve Echocardiogram from a Patient with Hemodynamic Shock Left Atrial Myxoma in a 47 Year Old Patient Possible Endocardial Calcification Transesophageal Echogram from a Patient with Recurrent Embolism
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