Athlete's heart

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Most recent articles on Athlete's heart Most cited articles on Athlete's heart Review articles on Athlete's heart Articles on Athlete's heart in N Eng J Med, Lancet, BMJ
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Powerpoint slides on Athlete's heart Images of Athlete's heart Photos of Athlete's heart Podcasts & MP3s on Athlete's heart Videos on Athlete's heart
Evidence Based Medicine
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Clinical Trials
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List of terms related to Athlete's heart

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Athletic heart syndrome is a medical syndrome where an athlete's heart becomes enlarged from exercise, resulting in a lower resting pulse than that of an average person. These changes would indicate heart-disease if observed in a sedentary person, but in an athlete a large heart with a slow resting pulse is the result of normal and healthy physiological adaptions, and indicates a high level of fitness. Athlete's heart is asymptomatic and needs no treatment.

The heart, being a muscle, responds to continuous stress by adapting and strengthening itself. Prolonged cardiovascular exercise, usually over an hour a day, will eventually cause an increase in stroke volume, chamber size, and wall thickness and muscle mass of the left ventricle. Thus, the heart is able to pump more blood, leading to a slower heart rate (usually between 35 and 50 beats per minute).

Signs of athlete's heart may include heart murmurs and other abnormal sounds. Athlete's heart needs to be identified in order to ensure that it is not a more serious heart problem.

External links

• Merck.com- Athletic Heart Syndrome

v • d • e Electrocardiography
Overview	History of the EKG • EKG interpretation basics • Normal sinus rhythm
EKG Complexes	P wave • QRS complex • ST Segment • T wave • U wave Osborn wave • H wave • K wave • Delta wave NSSTW changes
EKG Intervals	PR Interval • QRS Interval • ST Interval • QT Interval
Conduction System & Bradycardia	Cardiac pacemaker • SA node • AV node• Bundle of His • Purkinje fibers • Sinus bradycardia • First Degree AV Block • Second Degree AV Block • Complete or Third-Degree AV Block • Concealed conduction • AV Junctional Rhythms • LBBB • LAHB • LPHB • RBBB • Trifascicular block
Atrial Arrhythmias	Sinus tachycardia • Premature Atrial Contractions (PACs) • Ectopic Atrial Rhythm • Paroxysmal Atrial Tachycardia (PAT) • Paroxysmal Atrial Tachycardia (PAT) with Block • Multifocal Atrial Tachycardia (MAT) • Atrial Flutter • Atrial Fibrillation • Wandering atrial pacemaker
Ventricular Arrhythmias	Differential Diagnosis of Tachycardia with a Wide QRS Complex • Accelerated Idioventricular Rhythm • Ventricular Parasystole • Premature Ventricular Contractions (PVCs) • Ventricular tachycardia • Ventricular Fibrillation • Sudden cardiac death
EKG Abnormalities in Disease States	Hypertrophy & Dilatation • Right atrial enlargement • Left atrial enlargement • Biatrial enlargement • Left Ventricular Hypertrophy • Right Ventricular Hypertrophy • Biventricular Hypertrophy • Acute myocardial infarction • NSTEMI • STEMI • Right ventricular myocardial infarction • Atrial infarction Pre-excitation Syndromes • Wolff-Parkinson-White Syndrome • Lown Ganong Levine Syndrome • Mahaim Type Preexcitation Cardiomyopathies • Arrhythmogenic Right Ventricular Dysplasia • Dilated Cardiomyopathy • Hypertrophic Cardiomyopathy Drug Effects on the EKG • Adenosine • β-blockers • Digitalis • Quinidine • Procainamide • Disopyramide • Lidocaine • Tocainide and Mexiletine • Phenytoin • Encainide, Flecainide and Propafenone • Amiodarone • Bretylium • Ca Channel Blockers • Phenothiazines • Tricyclic Antidepressants • Lithium Congenital Heart Disease • Dextrocardia • Atrial Septal Defect • Ventricular Septal Defect • Tetralogy of Fallot • Conjoined Twins or Siamese Twins Electrolyte Disturbances • Hyperkalemia • Hypokalemia • Hypercalcemia • Hypocalcemia • Nonspecific Changes Other Heart Diseases • Pericarditis • Myocarditis • Tamponade • Heart Transplantation • Sick Sinus Syndrome • Long QT Syndrome Inherited Disease • Brugada Syndrome Systemic Diseases • CNS Disease • Cardiac Tumors Heart Transplantation • EKG Changes in patient with Heart Transplantation Exogenous Effects • Hypothermia • Chest Trauma • Insect Bites • Electric Injuries
Technical Issues and Potential Errors in Interpretation	Artifacts • Lead Placement Errors • The EKG in a Patient with a Pacemaker

v • d • e Circulatory system pathology (I, 390-459)
Hypertension	Hypertensive heart disease - Hypertensive nephropathy - Secondary hypertension (Renovascular hypertension)
Ischaemic heart disease	Angina pectoris (Prinzmetal's angina) - Myocardial infarction (heart attack) - Dressler's syndrome
Pulmonary circulation	Pulmonary embolism - Cor pulmonale
Pericardium	Pericarditis - Pericardial effusion - Cardiac tamponade
Endocardium/heart valves	Endocarditis - mitral valve (regurgitation, prolapse, stenosis) - aortic valve (stenosis, insufficiency) - pulmonary valve (stenosis, insufficiency) - tricuspid valve (stenosis, insufficiency)
Myocardium	Myocarditis - Cardiomyopathy (Dilated cardiomyopathy, Hypertrophic cardiomyopathy, Loeffler endocarditis, Restrictive cardiomyopathy) - Arrhythmogenic right ventricular dysplasia
Electrical conduction system of the heart	Heart block: AV block (First degree, Second degree, Third degree) - Bundle branch block (Left, Right) - Bifascicular block - Trifascicular block Pre-excitation syndrome (Wolff-Parkinson-White, Lown-Ganong-Levine) - Long QT syndrome - Adams-Stokes syndrome - Cardiac arrest - Sudden cardiac death Arrhythmia: Paroxysmal tachycardia (Supraventricular, AV nodal reentrant, Ventricular) - Atrial flutter - Atrial fibrillation (Familial) - Ventricular fibrillation - Premature contraction (Atrial, Ventricular) - Ectopic pacemaker - Sick sinus syndrome
Other heart conditions	Heart failure - Cardiovascular disease - Cardiomegaly - Ventricular hypertrophy (Left, Right)
Cerebrovascular diseases	Stroke - Transient ischemic attack - Intracranial hemorrhage/cerebral hemorrhage: Extra-axial hemorrhage (Epidural hemorrhage, Subdural hemorrhage, Subarachnoid hemorrhage) Intra-axial hematoma (Intraventricular hemorrhages, Intraparenchymal hemorrhage) - Anterior spinal artery syndrome - Binswanger's disease - Moyamoya disease
Arteries, arterioles and capillaries	Atherosclerosis (Renal artery stenosis) - Aortic dissection/Aortic aneurysm (Abdominal aortic aneurysm) - Aneurysm - Raynaud's phenomenon/Raynaud's disease - Buerger's disease - Vasculitis/Arteritis (Aortitis) - Intermittent claudication - Arteriovenous fistula - Hereditary hemorrhagic telangiectasia - Spider angioma - Dissection (Carotid artery, Vertebral artery)
Veins, lymphatic vessels and lymph nodes	Thrombosis/Phlebitis/Thrombophlebitis (Deep vein thrombosis, May-Thurner syndrome, Portal vein thrombosis, Venous thrombosis, Budd-Chiari syndrome, Renal vein thrombosis, Paget-Schroetter disease) - Varicose veins / Portacaval anastomosis (Hemorrhoid, Esophageal varices, Varicocele, Gastric varices, Caput medusae) - Superior vena cava syndrome - Lymph (Lymphadenitis, Lymphedema, Lymphangitis)
Other	Hypotension (Orthostatic hypotension) - Rheumatic fever
See also congenital (Q20-Q28, 745-747)

v • d • e WikiDoc Research Resources for Athlete's heart
Articles on Athlete's heart	Most recent articles on Athlete's heart • Most cited articles on Athlete's heart • Review articles on Athlete's heart • Articles on Athlete's heart in N Eng J Med, Lancet, BMJ
Media (Slides, Video, Images, MP3) on Athlete's heart	Powerpoint slides on Athlete's heart • Images of Athlete's heart • Photos of Athlete's heart • Podcasts & MP3s on Athlete's heart • Videos on Athlete's heart
Evidence Based Medicine Regarding Athlete's heart	Cochrane Collaboration on Athlete's heart • Bandolier on Athlete's heart • TRIP on Athlete's heart
Cost Effectiveness of Athlete's heart	Cost Effectiveness of Athlete's heart
Clinical Trials Involving Athlete's heart	Ongoing Trials on Athlete's heart at Clinical Trials.gov • Trial results on Athlete's heart • Clinical Trials on Athlete's heart at Google
Guidelines / Policies / Government Resources (FDA/CDC) Regarding Athlete's heart	US National Guidelines Clearinghouse on Athlete's heart • NICE Guidance on Athlete's heart • NHS PRODIGY Guidance • FDA on Athlete's heart • CDC on Athlete's heart
Textbook Information on Athlete's heart	Books and Textbook Information on Athlete's heart
Pharmacology Resources on Athlete's heart	Dosing of Athlete's heart • Drug interactions with Athlete's heart • Side effects of Athlete's heart • Allergic reactions to Athlete's heart • Overdose information on Athlete's heart • Carcinogenicity information on Athlete's heart • Athlete's heart in pregnancy • Pharmacokinetics of Athlete's heart •
Genetics, Pharmacogenomics, and Proteinomics of Athlete's heart	Genetics of Athlete's heart • Pharmacogenomics of Athlete's heart • Proteomics of Athlete's heart
Newstories on Athlete's heart	Athlete's heart in the news • Be alerted to news on Athlete's heart • News trends on Athlete's heart
Commentary on Athlete's heart	Blogs on Athlete's heart
Patient Resources on Athlete's heart	Patient resources on Athlete's heart • Discussion groups on Athlete's heart • Patient Handouts on Athlete's heart • Directions to Hospitals Treating Athlete's heart • Risk calculators and risk factors for Athlete's heart
Healthcare Provider Resources on Athlete's heart	Symptoms of Athlete's heart • Causes & Risk Factors for Athlete's heart • Diagnostic studies for Athlete's heart • Treatment of Athlete's heart
Continuing Medical Education (CME) Programs on Athlete's heart	CME Programs on Athlete's heart
International Resources on Athlete's heart	Athlete's heart en Espanol • Athlete's heart en Francais
Business Resources on Athlete's heart	Athlete's heart in the Marketplace • Patents on Athlete's heart
Informatics Resources on Athlete's heart	List of terms related to Athlete's heart

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Acknowledgement and Attribution Regarding Sources of Content

Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .