Dka Hypernatremia

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Pulmcrit- Dominating The Acidosis In Dka

Management of acidosis in DKA is an ongoing source of confusion. There isn’t much high-quality evidence, nor will there ever be (1). However, a clear understanding of the physiology of DKA may help us treat this rationally and effectively. Physiology of ketoacidosis in DKA Ketoacidosis occurs due to an imbalance between insulin dose and insulin requirement: Many factors affect the insulin requirement: Individuals differ in their baseline insulin resistance and insulin requirements. Physiologic stress (e.g. hypovolemia, inflammation) increases the level of catecholamines and cortisol, which increases insulin resistance. Hyperglycemia and metabolic acidosis themselves increase insulin resistance (Souto 2011, Gosmanov 2014). DKA treatment generally consists of two phases: first, we must manage the ketoacidosis. Later, we must prepare the patient to transition back to their home insulin regimen. During both phases, success depends on balancing insulin dose and insulin requirement. Phase I (Take-off): Initial management of the DKA patient with worrisome acidosis Let’s start by considering a patient who presents in severe DKA with worrisome acidosis. This is uncommon. Features that m Continue reading >>

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Popular Questions

  1. launchpad

    can anyone plz tell me what happens to the Na and K levels in DKA.kaplan says there is hypernatremia and hypokalemia.

  2. frontal

    There is no hypernatremia in DKA. There is electrolyte loss in DKA primariy due to hyperglycemia causing osmotic diuresis, so the patient is depleted of both Na and K, but the serum levels of potassium maybe normal or even elevated. This is because of a disproportionate loss of water (osmotic diuresis) and because of acidosis, which forces the hydrogen ions into cells in exchange for K ions. Remember: a patient with DKA is potassium depleted, even if serum potassium values are on the higher side at presentation. Renal loss continues and as treatment with insulin is started, a fall in serum potassium is likely to be observed because insulin pushes the K ions back into the cells. Electrolye monitoring is necessary while treating the patient, so that insulin dose can be adjusted and fluids given appropriately.

  3. frontal

    A normal serum sodium level in DKA would indicate profound dehydration.

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