First degree AV block causes: Difference between revisions

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|style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular'''
|style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular'''
|style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Acute myocardial infarction]], [[acute rheumatic fever]], [[ASD]], [[dilated cardiomyopathy]],  [[Ebstein's anomaly]], [[Carotid sinus hypersensitivity|hypersensitive carotid sinus syndrome]], [[hypertension]], [[hypertrophic cardiomyopathy]], idiopathic bilateral bundle  branch fibrosis, idiopathic progressive  cardiac conduction disease, [[Lev's disease]], [[myocardial bridging]], [[myocarditis]], [[Aortic valve  replacement|post aortic valve  replacement]], [[catheter ablation|post catheter ablation for arrhythmias]], [[ventricular septal defect surgery|post closure of a ventricular septal defect]], [[mitral valve replacement|post mitral valve replacement]], [[tetralogy of Fallot]], [[endocardial cushion defect]], [[transposition of the great vessels]],  [[valvular heart disease]], [[VSD]]
|style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Acute myocardial infarction]], [[acute rheumatic fever]], [[ASD]], [[dilated cardiomyopathy]],  [[Ebstein's anomaly]], [[Carotid sinus hypersensitivity|hypersensitive carotid sinus syndrome]], [[hypertension]], [[hypertrophic cardiomyopathy]], [[Lev's disease]], [[myocardial bridging]], [[myocarditis]], [[Aortic valve  replacement|post aortic valve  replacement]], [[catheter ablation|post catheter ablation for arrhythmias]], [[ventricular septal defect surgery|post closure of a ventricular septal defect]], [[mitral valve replacement|post mitral valve replacement]], [[tetralogy of Fallot]], [[endocardial cushion defect]], [[transposition of the great vessels]],  [[valvular heart disease]], [[VSD]]
|-
|-
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|-bgcolor="LightSteelBlue"
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| '''Genetic'''
| '''Genetic'''
|bgcolor="Beige"| [[Emery-Dreifuss muscular dystrophy]], [[Fabry disease]], [[glycogenosis type 2b]], hereditary neuromuscular neurodegenerative disease, [[Kearns-Sayre syndrome]]
|bgcolor="Beige"| [[Emery-Dreifuss muscular dystrophy]], [[Fabry disease]], [[glycogenosis type 2b]], [[Neuromuscular disease|hereditary neuromuscular disease]], [[Kearns-Sayre syndrome]]
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|-
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| '''Infectious Disease'''
| '''Infectious Disease'''
|bgcolor="Beige"| [[Acute rheumatic fever]], [[Chagas disease]], [[diphtheria]], [[Lyme disease]], [[myocarditis]], neonatal lupus syndrome, [[protozoa|protozoal infection]], [[sarcoidosis]], [[SLE]], [[tuberculosis]]
|bgcolor="Beige"| [[Acute rheumatic fever]], [[Chagas disease]], [[diphtheria]], [[Lyme disease]], [[myocarditis]], [[neonatal lupus erythrematosus]], [[protozoa|protozoal infection]], [[sarcoidosis]], [[SLE]], [[tuberculosis]]
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|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Musculoskeletal / Ortho'''
| '''Musculoskeletal / Ortho'''
|bgcolor="Beige"| [[Ankylosing spondylitis]], hereditary neuromuscular heredodegenerative disease, [[Kearns-Sayre syndrome]], [[mitochondrial DNA|mitochondrial genome inherited conditions]],  [[muscular dystrophy]]
|bgcolor="Beige"| [[Ankylosing spondylitis]], [[Neuromuscular disease|hereditary neuromuscular disease]], [[Kearns-Sayre syndrome]], [[mitochondrial DNA|mitochondrial genome inherited conditions]],  [[muscular dystrophy]]
|-
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| '''Miscellaneous'''
| '''Miscellaneous'''
|bgcolor="Beige"|  [[Amyloidosis]], [[degenerative diseases]], enhanced [[vagus nerve|vagal tone]] (for example in athletes), normal variants, [[pain]], [[sleep ]], [[trauma]]
|bgcolor="Beige"|  [[Amyloidosis]], [[degenerative diseases]], [[vagus nerve|Enhanced  vagal tone]], [[PR interval|normal variants]], [[pain]], [[sleep ]], [[trauma]]
|-
|-
|}
|}

Revision as of 13:43, 24 August 2013

First degree AV block Microchapters

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Patient Information

Overview

Historical Perspective

Pathophysiology

Classification

Causes

Differentiating First degree AV block from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

EKG Examples

Chest X Ray

Echocardiography

Other Imaging Findings

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Risk calculators and risk factors for First degree AV block causes

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. [2]; Raviteja Guddeti, M.B.B.S. [3]

Overview

An atrioventricular block (or AV block) is a type of heart block involving an impairment of the conduction between the atria and ventricles of the heart.[1] It usually involves the atrioventricular node, but it can involve other structures too. AV block is categorized by degree and site of conduction block. In first-degree AV block, all atrial impulses are conducted to the ventricles; however, there is a delay in conduction within the AV node resulting in a prolonged PR interval on ECG (>200 msec or >5 small blocks). In other words, first degree block is a slowed conduction without loss of atrioventricular synchrony.

Causes

Life Threatening Causes

Life-threatening conditions can result in death or permanent disability within 24 hours if left untreated.

Common Causes

Causes by Organ System

Cardiovascular Acute myocardial infarction, acute rheumatic fever, ASD, dilated cardiomyopathy, Ebstein's anomaly, hypersensitive carotid sinus syndrome, hypertension, hypertrophic cardiomyopathy, Lev's disease, myocardial bridging, myocarditis, post aortic valve replacement, post catheter ablation for arrhythmias, post closure of a ventricular septal defect, post mitral valve replacement, tetralogy of Fallot, endocardial cushion defect, transposition of the great vessels, valvular heart disease, VSD
Chemical / poisoning No underlying causes
Dermatologic No underlying causes
Drug Side Effect Amiodarone, beta-blockers, digitalis, calcium channel blockers, cholinesterase inhibitors, disopyramide, dofetilide, dolasetron, donepezil, eslicarbazepine acetate, fesoterodine, fingolimod, flecainide, ibutilide, lacosamide, magnesium, paliperidone, procainamide, propafenone, propoxyphene, quinidine, sotalol, terodiline
Ear Nose Throat No underlying causes
Endocrine Hyperthyroidism, myxedema, thyrotoxic periodic paralysis
Environmental Hypothermia
Gastroenterologic Hemochromatosis
Genetic Emery-Dreifuss muscular dystrophy, Fabry disease, glycogenosis type 2b, hereditary neuromuscular disease, Kearns-Sayre syndrome
Hematologic Multiple myeloma
Iatrogenic Post aortic valve replacement, post catheter ablation for arrhythmias, post closure of a ventricular septal defect, post mitral valve replacement
Infectious Disease Acute rheumatic fever, Chagas disease, diphtheria, Lyme disease, myocarditis, neonatal lupus erythrematosus, protozoal infection, sarcoidosis, SLE, tuberculosis
Musculoskeletal / Ortho Ankylosing spondylitis, hereditary neuromuscular disease, Kearns-Sayre syndrome, mitochondrial genome inherited conditions, muscular dystrophy
Neurologic No underlying causes
Nutritional / Metabolic Fabry disease, glycogenosis type 2b
Obstetric/Gynecologic No underlying causes
Oncologic Multiple myeloma
Opthalmologic No underlying causes
Overdose / Toxicity No underlying causes
Psychiatric No underlying causes
Pulmonary Sarcoidosis
Renal / Electrolyte Hyperkalemia, hypokalemia
Rheum / Immune / Allergy Ankylosing spondylitis, dermatomyositis, rheumatoid arthritis, scleroderma, SLE
Sexual No underlying causes
Trauma No underlying causes
Urologic No underlying causes
Dental No underlying causes
Miscellaneous Amyloidosis, degenerative diseases, Enhanced vagal tone, normal variants, pain, sleep , trauma

Causes in Alphabetical Order

References

  1. ↑ Template:Dorlands


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