II. Causes

III. Signs: EKG Findings

  1. Inverted P Wave (retrograde) if present
  2. Narrow complex if high nodal source
  3. Wide complex if lower nodal source

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Ontology: Junctional premature complex (disorder) (C0428981)

Definition (NCI) An electrocardiographic finding of an ectopic impulse originating in the AV junction presenting as a QRS complex of supraventricular origin which is not preceded by a P wave. (CDISC)
Definition (NCI_CDISC) An electrocardiographic finding of an ectopic impulse originating in the AV junction presenting as a QRS complex of supraventricular origin which is not preceded by a P wave.
Concepts Pathologic Function (T046)
ICD10 I49.2
SnomedCT 195095004, 251164006
English AV junction(nodal) prem beats, PNC, atrioventricular junctional beats, A-V junctional beats, atrioventricular junctional beats (diagnosis), Junctional premat depolarisatn, AV junctional beats, junctional premature beat, premature junctional complex, premature junctional complex (PJC), Junctional premature complex (disorder), junctional premature depolarization (diagnosis), junctional premature depolarization, premature depolarization junctional, Premature nodal contraction, Junctional Premature Complex, Junctional Premature Complex by ECG Finding, Junctional Premature Complex by EKG Finding, JUNCTIONAL PREMATURE COMPLEX, Junctional premature complex(es), Junctional Extra Beat, AV junctional (nodal) premature beats, Junctional premature complex, Junctional premature depolarization, Junctional premature depolarisation, extrasystoles; AV-junctional, AV-junctional; extrasystoles
Dutch prematuur atrioventriculair nodaal complex, premature nodale contractie, AV-junctioneel; extrasystole, extrasystole; AV-junctioneel, Junctionele premature depolarisatie
French Contraction nodale prématurée, CNP
German verfruehte Knotenkontraktion, PNC, AV-junktionale Extrasystolie
Italian Extrasistole nodale, Battito nodale prematuro
Portuguese Contracção nodular prematura
Spanish Contracción nodal prematura, PNC (Contracción nodal prematura), complejo nodal auriculoventricular prematuro (trastorno), complejo nodal auriculoventricular prematuro, despolarización nodal prematura
Japanese 結節性期外収縮, ケッセツセイキガイシュウシュク
Czech Předčasný nodální stah
Korean 이행부 조기 탈분극
Hungarian PNC, Nodalis korai összehúzódás