PQRS WAVE

  1. Can someone please explain to me if calcium causes contractions.. why does hypocalcemia causes prolonged QT intervals?
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  2. Visit connie1239 profile page

    About connie1239

    Joined: May '18; Posts: 1
    from FL , US

    1 Comments

  3. by   Kaisu
    Low calcium means a reduction in the calcium gradiant, causing a lengthening of the ST segment. Remember that it is calcium released from the sarcoplasmic reticulum that enables the muscle to contract. Slow ST (contraction) means longer recovery to repolarization.

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