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Prolonged NMB risk factors

Drugs

1. Antibiotics

  • Aminoglycosides: Gentamicin & Tobramycin
  • Tetracyclines
  • Polymixins

The following antibiotics do not prolong neuromuscular blockade: Erythromycin, penicillin, and cephalosporins.

2. Anticholinesterases

3. Calcium Channel Blockers

4. Local Anesthetics

5. Volatile Anesthetics

Abnormal Physiologic States

  1. Hepatic Dysfunction
  2. Hypothermia
  3. Acidosis or Alkalosis

Electrolyte Abnormalities

  1. Hypernatremia
  2. Hypocalcemia
  3. Hypokalemia
  4. Lithium