Cardiovascular Medicine Book

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PR intervalAka: Shortened PR Interval, Prolonged PR Interval

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  1. Findings: Normal
    1. Interval: 0.12 to 0.20
  2. Causes: Prolonged PR interval
    1. AV Node Block
    2. Hyperthyroidism (occasional)
    3. Normal variant (rarely)
  3. Causes: Shortened PR interval
    1. AV nodal rhythm
    2. Low atrial nodal rhythm
    3. Wolf-Parkinson-White Syndrome (WPW Syndrome)
    4. Lown-Ganong-Levine (LGL)
    5. Hypertension
    6. Normal variant

Prolonged P-R interval, NOS (C0600125)

Definition (NCI)A PR interval more than 0.20 seconds in adults.
ConceptsFinding (T033)
ICD9426.11
EnglishPR INTERVAL PROLONGED, Prolonged P-R interval, Prolonged PR interval
Spanishintervalo P - R prolongado, intervalo P-R prolongado, intervalo PR prolongado, P-R prolongado
Parent Conceptscardiac arrhythmia (C0003811), Abnormal cardiac conduction (C0232219), EKG finding (C0438154), [D]Electrocardiogram (ECG) abnormal (C0522055), PR interval - finding (C1287076), Duplicate concept (C1274013)
SourcesCST, MTHICD9, NCI, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)


PR interval - finding (C1287076)

ConceptsFinding (T033)
EnglishPR interval - finding
Spanishhallazgo en el intervalo PR segun el electrocardiograma
Parent ConceptsECG waveform - finding (C1287073)
SourcesSCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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