| Summary: | Introduction: Diabetic emergencies such as diabetic ketoacidosis (DKA) are life-threatening complications, often precipitated by infections or illnesses such as COVID-19. Case presentation: A 55-year-old African American female presented to their primary care physician, complaining of fatigue, dehydration, decreased appetite, hypersomnia, and sudden weight loss, and a past medical history of Type 2 diabetes. They had a glucose level of >15 mmol/L and ketone level of >16 mmol/L; they were immediately sent to the emergency department for assessment of DKA. There, the patient tested positive for COVID-19. They had a glucose level of 361 mg/dL, a pH of 7.11, a bicarbonate level of 10 mEq/L, a sodium level of 125 mEq/L, a potassium level of 3.9 mEq/L, a chloride level of 95 mEq/L, an anion gap of 20, and a positive ketone level. Over the next few days, the patient’s condition got worse; their chest CT scan showed ground-glass opacities with consolidations in the middle and inferior lobes of the lungs bilaterally, along with interlobular septal thickening, which are consistent with an atypical infection, respiratory distress, and pneumonia. The patient was on intravenous fluids, insulin therapy and empirical antibiotics for the next few weeks, and eventually recovered. Discussion: Factors precipitating DKA in patients with diabetes in the setting of COVID-19are: the increased secretions of stress hormones that counter the effects of insulin and increase blood glucose levels, and the ways in which severe acute respiratory syndrome coronavirus 2 interacts with human cells, leading to pancreatic islet cell damage. Conclusion: Diabetes and COVID-19 intensify each other’s complications in patients diagnosed with both.
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