Cardiovascular Medicine Book

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U Wave

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  1. Normal findings
    1. U Wave best seen in lead V3
    2. U wave with same polarity as T Wave
  2. Causes: Prominent U Wave
    1. Hypokalemia
  3. Causes: Inverted U Wave
    1. Myocardial Ischemia
    2. Myocardial strain pattern
  4. Causes: Increased U Wave amplitude
    1. Digoxin (Digitalis)
    2. Quinidine
    3. Hypercalcemia
    4. Epinephrine
    5. Thyrotoxicosis

U wave feature (C0232333)

ConceptsFinding (T033)
EnglishU wave, U wave -RETIRED-, U wave feature
Spanishonda U, onda U - RETIRADO -
Parent ConceptsECG waveform (C0428732), Reason not stated concept (C1276325), Duplicate concept (C1274013)
SourcesSCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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