Conduction disorder of the heart

MedGen UID:: 78114
•Concept ID:: C0264886
•: Disease or Syndrome

Synonym:	cardiac conduction defect
SNOMED CT:	Disorder of heart conduction (44808001); Conduction disorder of the heart (44808001)

Monarch Initiative:	MONDO:0100042
OMIM®:	115080

Definition

Any abnormal alteration of atrioventricular conduction. [from SNOMEDCT_US]

Clinical features

From HPO

Sudden death

MedGen UID:: 8257
•Concept ID:: C0011071
•: Pathologic Function

Rapid and unexpected death.

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Cardiac arrhythmia

MedGen UID:: 2039
•Concept ID:: C0003811
•: Finding

Any cardiac rhythm other than the normal sinus rhythm. Such a rhythm may be either of sinus or ectopic origin and either regular or irregular. An arrhythmia may be due to a disturbance in impulse formation or conduction or both.

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Syncope

MedGen UID:: 21443
•Concept ID:: C0039070
•: Sign or Symptom

Syncope refers to a generalized weakness of muscles with loss of postural tone, inability to stand upright, and loss of consciousness. Once the patient is in a horizontal position, blood flow to the brain is no longer hindered by gravitation and consciousness is regained. Unconsciousness usually lasts for seconds to minutes. Headache and drowsiness (which usually follow seizures) do not follow a syncopal attack. Syncope results from a sudden impairment of brain metabolism usually due to a reduction in cerebral blood flow.

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Abnormality of the cardiovascular system
- Cardiac arrhythmia
- Syncope
Constitutional symptom
- Sudden death

Term Hierarchy

GTR
MeSH

CClinical test, RResearch test, OOMIM, GGeneReviews, VClinVar

CROGVConduction disorder of the heart

Pathological Conditions, Signs and Symptoms
- Pathological process
  - Disease
    - Disorder by Site
      - Disorder of cardiovascular system
        Heart disease
        Conduction disorder of the heart
        Brugada syndrome
        Brugada syndrome 1
        Brugada syndrome 2
        Brugada syndrome 3
        Brugada syndrome 4
        Brugada syndrome 5
        Brugada syndrome 6
        Brugada syndrome 7
        Brugada syndrome 8
        Ectopic beats
        Premature atrial contractions
        Premature ventricular contraction
        Bidirectional ventricular ectopy
        Polymorphic and polytopic ventricular extrasystoles
        Ventricular ectopy
        Heart block
        Adams-Stokes syndrome
        Atrioventricular block
        2:1 Atrioventricular Block by ECG Finding
        Absent atrioventricular node
        AV Block First Degree by ECG Finding
        AV Block Second Degree by ECG Finding
        AV Block Third Degree by ECG Finding
        First degree atrioventricular block
        Paroxysmal Atrioventricular Block by ECG Finding
        Second degree atrioventricular block
        Third degree atrioventricular block
        Bundle branch block
        EKG: right bundle branch block
        Incomplete Bundle Branch Block by ECG Finding
        Left bundle branch block
        Right bundle branch block
        Trifascicular block
        Interatrial Block
        Sick sinus syndrome
        Familial sick sinus syndrome
        Sinoatrial block
        Long QT syndrome
        Andersen Tawil syndrome
        Congenital long QT syndrome
        Jervell and Lange-Nielsen syndrome
        Long QT syndrome 1
        Long QT syndrome 2
        Long QT syndrome 3
        Long QT syndrome 5
        Long QT syndrome 6
        Long QT syndrome 9
        Long QT syndrome 10
        Long QT syndrome 11
        Long QT syndrome 12
        Long QT syndrome 13
        Timothy syndrome
        Long QT syndrome 14
        Pre-Excitation Syndrome
        Pre-Excitation, Mahaim-Type
        Wolff-Parkinson-White pattern
        Tachycardia
        Junctional ectopic tachycardia
        Paroxysmal tachycardia
        Paroxysmal Supraventricular Tachycardia by ECG Finding
        Paroxysmal ventricular tachycardia
        Supraventricular tachycardia
        atrial tachycardia
        Automatic atrial tachycardia
        AV nodal tachycardia
        Congenital His bundle tachycardia
        Congenital Supraventricular Tachycardia
        Paroxysmal supraventricular tachycardia
        Sinus tachycardia
        Supraventricular tachycardia with an accessory connection mediated pathway
        Tachycardia, Reciprocating
        Re-entrant atrioventricular node tachycardia
        Tachycardia, Sinoatrial Nodal Reentry
        Ventricular tachycardia
        Accelerated idioventricular rhythm
        Bidirectional tachycardia
        Congenital Ventricular Tachycardia
        Effort-induced polymorphic ventricular tachycardia
        Fascicular left ventricular tachycardia
        Monomorphic ventricular tachycardia
        Pediatric Non-Congenital Ventricular Tachycardia
        Polymorphic ventricular tachycardia
        Torsade de pointes
        Ventricular flutter

Professional guidelines

PubMed

2018 ACC/AHA/HRS Guideline on the Evaluation and Management of Patients With Bradycardia and Cardiac Conduction Delay: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society.

Kusumoto FM, Schoenfeld MH, Barrett C, Edgerton JR, Ellenbogen KA, Gold MR, Goldschlager NF, Hamilton RM, Joglar JA, Kim RJ, Lee R, Marine JE, McLeod CJ, Oken KR, Patton KK, Pellegrini CN, Selzman KA, Thompson A, Varosy PD
Circulation 2019 Aug 20;140(8):e382-e482. Epub 2018 Nov 6 doi: 10.1161/CIR.0000000000000628. PMID: 30586772

Bradyarrhythmias: Clinical Presentation, Diagnosis, and Management.

Wung SF
Crit Care Nurs Clin North Am 2016 Sep;28(3):297-308. Epub 2016 Jun 22 doi: 10.1016/j.cnc.2016.04.003. PMID: 27484658

Complications of bariatric surgery: Presentation and emergency management.

Kassir R, Debs T, Blanc P, Gugenheim J, Ben Amor I, Boutet C, Tiffet O
Int J Surg 2016 Mar;27:77-81. Epub 2016 Jan 22 doi: 10.1016/j.ijsu.2016.01.067. PMID: 26808323

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