Metabolic alkalosis is a common acid-base disorder that anesthesia providers must manage carefully, particularly in perioperative and intraoperative settings. The condition can arise from various causes, including fluid and electrolyte losses, diuretic use, and gastrointestinal disturbances. Chloride-responsive alkalosis, the most frequently encountered form, is often due to vomiting, nasogastric suction, or diuretic use, all of which can deplete the body of chloride and potassium. For anesthesia providers, the primary goal is to correct the underlying disturbances while maintaining homeostasis during surgery or anesthesia.
The initial approach to managing metabolic alkalosis involves a thorough preoperative assessment, including a review of the patient’s history and any recent medications or fluid losses. Anesthesia providers should monitor electrolytes and arterial blood gasses (ABGs) during surgery to detect alkalosis. In severe cases, alkalosis can lead to neuromuscular irritability, cardiac arrhythmias, and hypotension, which can complicate anesthesia management. Identifying these symptoms early is critical to prevent further complications.