II. Description

  1. Hump that forms at junction of QRS Complex and ST segment, esp. lateral and precordial leads

III. Causes

  1. Early Repolarization
  2. Hypothermia (Temperature <32 C)
    1. J Wave amplitude increasing as core Temperature drops
  3. Myocardial Ischemia
  4. Sepsis
  5. Hypercalcemia
  6. Normal variant in some young patients
  7. CNS disorder
    1. Subarachnoid Hemorrhage
    2. Closed Head Injury

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Ontology: j waves (C0878565)

Concepts Pathologic Function (T046)
English j waves, j wave