Why should beta-blockers be used with extreme caution in diabetic patients?
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Correct answer: They can mask the tachycardic warning signs of hypoglycemia
Tachycardia is a key autonomic warning sign of low blood sugar. Beta-blockers prevent this heart rate increase and also inhibit beta-2 mediated glycogenolysis in the liver, which is the body's natural defense against falling glucose levels.
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