Exploring the challenging diagnosis of euglycemic DKA caused by newer diabetes medications. Understanding the mechanism and risks associated with SGLT2 inhibitors. Distinguishing alcoholic ketoacidosis from euglycemic DKA. Discussing the treatment of euglycemic DKA and the importance of recognizing symptoms in patients on certain medications.
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Quick takeaways
Euglycemic DKA can be caused by sodium-glucose co-transporter 2 inhibitors like Canagliflozin, and it's important to recognize this tricky diagnosis early and initiate treatment despite a normal serum glucose level.
Alcoholic ketoacidosis (AKA) and euglycemic DKA can present with similar symptoms but can be distinguished by blood sugar levels, with AKA resulting in very low blood sugar levels and euglycemic DKA having higher blood sugar levels between 150-250 mg/dL.
Deep dives
Case of Euglycemic Diabetic Ketoacidosis
The podcast episode discusses a case of a patient with euglycemic diabetic ketoacidosis (DKA). The patient initially presented with epigastric pain and slight nausea and was diagnosed with either dyspepsia or functional illness. However, 12 hours later, the patient's symptoms worsened, including increasing epigastric pain, poor appetite, and shortness of breath. The doctor reviewed the patient's lab work, which showed low bicarbonate levels, elevated anion gap, and positive serum ketones. It was discovered that the patient was taking sodium glucose transporter 2 (SGLT2) inhibitors, which can lead to euglycemic DKA. The episode highlights the importance of considering this diagnosis when encountering patients on SGLT2 inhibitors with gastrointestinal symptoms and shortness of breath.
Distinguishing Euglycemic DKA from Alcoholic Ketoacidosis
In the podcast, the difference between euglycemic DKA and alcoholic ketoacidosis (AKA) is discussed. While both conditions can present with metabolic acidosis, nausea, and ketones, there are key distinguishing factors. Alcoholics with AKA tend to be thin and have low glycogen stores, resulting in very low blood sugar levels. In contrast, patients with euglycemic DKA, often induced by SGLT2 inhibitors, have higher blood sugar levels between 150-250 mg/dL. Understanding this distinction and considering the patient's medication history is crucial in making an accurate diagnosis.
Treatment Considerations for Euglycemic DKA
The podcast explains the treatment approach for euglycemic DKA. While similar to traditional DKA treatment, there are some variations. Patients with euglycemic DKA may require both insulin and early administration of dextrose to prevent hypoglycemia. Since their initial blood sugar levels are not excessively high, treatment involves a balanced approach to normalize insulin and manage acidosis. The importance of considering euglycemic DKA in patients on SGLT2 inhibitors with gastrointestinal symptoms and the need for early intervention with insulin and dextrose is emphasized.
It's not only run of the mill DKA, starvation and alcoholic ketoacidosis that can cause a metabolic acidosis with elevated ketones. Euglycemic DKA can be caused by the newer diabetes medications sodium-glucose co-transporter 2 inhibitors like Canagliflozin; and it's important to recognize this tricky diagnosis early and initiate treatment for DKA despite a normal serum glucose level...
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