Ventricular Tachycardia: eMedicine Emergency Medicine
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Ventricular Tachycardia: eMedicine Emergency Medicine
View full resource at emedicine.medscape.com
Tags: Heart Disease, Tachycardia, Arrhythmia, Ventricular Tachycardia, Coronary Artery Disease, Emergency, Disease and Condition, Emergency Medicine
Most Recently Shared on April 25, 2010 at 3:49 am By:
Ventricular tachycardia (VT) is usually a consequence of structural or ischemic heart disease. http://bit.ly/adZObt
Toxicity, Clonidine: eMedicine Emergency Medicine
emedicine.medscape.com — “Overview: Clonidine is a central alpha-agonist that is used as an antihypertensive agent. Other reported clinical uses include treatment of opiate and alcohol withdrawal and control of atrial fibrillation with a rapid ventricular rate. It is also ...” View full resource at emedicine.medscape.com
Most Recently Shared on April 30, 2010 at 10:35 pm By:
The anti-hypertensive drug clonidine, when misused, can cause serious health issues almost immediately. Learn more. http://bit.ly/c12gI3
Automatic External Defibrillation: eMedicine Emergency Medicine
emedicine.medscape.com — “Overview: Kouwenhouven showed that electrical shocks applied to dogs within 30 seconds of an induced ventricular fibrillation (VF) could produce a 98% rate of resuscitation; however, those shocked after 2 minutes of ventricular fibrillation had only a 27% ...” View full resource at emedicine.medscape.com
Most Recently Shared on April 27, 2010 at 4:10 am By:
Survival rates for patients with automatic external defibrillation (AED) is about 5 times that of CPR. More about AED. http://bit.ly/cgOMJa
External Pacemakers: eMedicine Emergency Medicine
emedicine.medscape.com — “Overview: Transcutaneous external cardiac pacing (TEP) is a 200-year-old concept made marginally practical by Zoll's work in the early 1950s. It was not until the 1980s, however, that technological improvements made TEPs less cumbersome and better tolerated by ...” View full resource at emedicine.medscape.com
Most Recently Shared on April 27, 2010 at 3:59 am By:
External pacemakers are sometimes more beneficial in treating certain tachycardias. Learn more. http://bit.ly/bcabIr
Ventricular Fibrillation: eMedicine Emergency Medicine
emedicine.medscape.com — “Overview: Ventricular fibrillation (VF) begins as a quasiperiodic reentrant pattern of excitation in the ventricles with resulting poorly synchronized and inadequate myocardial contractions. The heart consequently immediately loses its ability to function as a pump. As the ...” View full resource at emedicine.medscape.com
Most Recently Shared on April 25, 2010 at 3:41 am By:
Susan Scroggins Active Health Library and Health Advocate
The etiology of ventricular fibrillation (VF) remains incompletely understood. http://bit.ly/cnWdad
Wolff-Parkinson-White Syndrome: eMedicine Emergency Medicine
emedicine.medscape.com — “Overview: Preexcitation was defined by Durrer et al in 1970 with the following statement, Preexcitation exists, if in relation to atrial events, the whole or some part of the ventricular muscle is activated earlier by the impulse ...” View full resource at emedicine.medscape.com
Most Recently Shared on April 25, 2010 at 3:38 am By:
Susan Scroggins Active Health Library and Health Advocate
Wolff-Parkinson-White syndrome affects approximately 0.15-0.2% of the general population. Learn more about the cause. http://bit.ly/dcw6aN
Tetralogy of Fallot: eMedicine Emergency Medicine
emedicine.medscape.com — “Overview: Tetralogy of Fallot (TOF) is a complex of anatomic abnormalities arising from the maldevelopment of the right ventricular infundibulum. In 1888, Fallot described the anatomy as consisting of pulmonary artery stenosis, ventricular septal defect (VSD), deviation ...” View full resource at emedicine.medscape.com
Most Recently Shared on April 23, 2010 at 8:23 pm By:
Susan Scroggins Active Health Library and Health Advocate
Tetralogy of Fallot (TOF) is a complex of anatomic abnormalities arising from the maldevelopment of the heart. http://bit.ly/ag8tZp
Myocarditis: eMedicine Emergency Medicine
emedicine.medscape.com — “Overview: Myocarditis is clinical syndrome characterized by inflammation of myocytes resulting from infectious, toxic, and autoimmune etiologies. Ongoing viral infection, myocardial destruction, and adverse remodeling can lead to persistent ventricular dysfunction and dilated cardiomyopathy.Myocarditis is an elusive ...” View full resource at emedicine.medscape.com
Most Recently Shared on April 23, 2010 at 3:57 am By:
Susan Scroggins Active Health Library and Health Advocate
Myocarditis is defined as inflammatory changes in the heart muscle. Learn more about myocarditis. http://bit.ly/aAWpu5
Cardiomyopathy, Takotsubo: eMedicine Emergency Medicine
emedicine.medscape.com — “Overview: Takotsubo cardiomyopathy (TCM) is a transient cardiac syndrome that involves left ventricular apical akinesis and mimics acute coronary syndrome (ACS). It was first described in Japan in 1990 by Sato et al. Patients often present with ...” View full resource at emedicine.medscape.com
Most Recently Shared on April 23, 2010 at 3:55 am By:
Susan Scroggins Active Health Library and Health Advocate
Cardiomyopathy is a weakening of the heart muscle or a change in muscle structure. Learn more. http://bit.ly/9ZnB8C
Multifocal Atrial Tachycardia: eMedicine Emergency Medicine
emedicine.medscape.com — “Overview: Multifocal atrial tachycardia (MAT) is an irregular cardiac rhythm caused by at least 2 different sites of competing atrial activity. Pathophysiology MAT most often is found in the elderly patient with decompensated chronic lung disease and ...” View full resource at emedicine.medscape.com
Most Recently Shared on April 23, 2010 at 3:52 am By:
Susan Scroggins Active Health Library and Health Advocate
Multifocal atrial tachycardia is an irregular cardiac rhythm due to at least 2 sites of competing atrial activity. http://bit.ly/cFSG12
Cardiomyopathy, Restrictive: eMedicine Emergency Medicine
emedicine.medscape.com — “Overview: Restrictive cardiomyopathy is the least common of the 3 clinically recognized and described cardiomyopathies. Its principal abnormality is diastolic dysfunction, specifically restricted ventricular filling. Differentiation from constrictive pericarditis, a clinically similar entity, is difficult but important ...” View full resource at emedicine.medscape.com
Most Recently Shared on April 23, 2010 at 3:49 am By:
Restrictive cardiomyopathy is the least common of the 3 clinically recognized and described cardiomyopathies. http://bit.ly/8Yg5FQ
Ventricular Repair: eMedicine Clinical Procedures
emedicine.medscape.com — “Overview: Ventricular repair, or cardiorrhaphy, has long been one of the most dramatic and lifesaving procedures performed in the emergency department. Around 3000 BC, in the Edwin Smith Surgical Papyrus, the first reports of trauma to the thorax ...” View full resource at emedicine.medscape.com
Most Recently Shared on April 16, 2010 at 2:23 am By:
Ventricular repair (cardiorrhaphy) has long been a dramatic & lifesaving procedure. What is it, and who needs it? http://bit.ly/btkDb8
Cardiac Tamponade: eMedicine Cardiology
emedicine.medscape.com — “Overview: Cardiac tamponade is a clinical syndrome caused by the accumulation of fluid in the pericardial space, resulting in reduced ventricular filling and subsequent hemodynamic compromise. Cardiac tamponade is a medical emergency. The overall risk of death ...” View full resource at emedicine.medscape.com
Most Recently Shared on April 14, 2010 at 8:27 pm By:
Julie Bohlen Health Executive and Active Health Library
Diagnosed with cardiac tamponade? Learn the causes, symptoms, and history of this emergency condition. http://bit.ly/dyknZU
Premature Ventricular Contraction: eMedicine Emergency Medicine
emedicine.medscape.com — “Overview: Premature ventricular contraction (PVC) is caused by an ectopic cardiac pacemaker located in the ventricle. PVCs are characterized by premature and bizarrely shaped QRS complexes usually wider than 120 msec on with the width of the ...” View full resource at emedicine.medscape.com
Most Recently Shared on April 14, 2010 at 5:51 pm By:
Premature ventricular contractions are common, and you may have no symptoms. What causes PVC and is it dangerous? http://bit.ly/bHqgQf
Asystole: eMedicine Emergency Medicine
emedicine.medscape.com — “Overview: Asystole is cardiac standstill with no cardiac output and no ventricular depolarization; it eventually occurs in all dying patients. Pulseless electrical activity (PEA) is the term applied to a heterogenous group of dysrhythmias unaccompanied by a ...” View full resource at emedicine.medscape.com
Most Recently Shared on April 14, 2010 at 5:34 pm By:
Asystole occurs when there is no cardiac output or ventricular depolarization, occurring in all dying patients. http://bit.ly/bCDQgb
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