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Calcium balance (Calcitriol (Active form of Vitamin D3 (liver (kidney #),…

- - - - kidney #
- - - - Bone #
      - Kidney
        
        tubular reabsorption of Ca
        
        inhibits Phosphate & Bicarbonate reabsorption #
      - Archnemesis of Calcitonin
- - - - Most common form is Calcium Phosphate
- - - - Ca & PO4 release
- - - - Hypertension, palpitations, prolonged PR or shortened QT intervals are possible
        May see Bradyarrhythmias, heart block, asystole
- - - - Parathyroid or Thyroid Sx
  - - - Tetany, convulsion, Stridor
    - - Hyperexcitable Facial Nerve
        Tapping in front of ear produces facial nerve contraction.
    - - Carpal Spasm due to hypocalcemic tetany after BP cuff pumped to greater than systolic BP for at least 3 minutes
      - Up to 94% sensitive