Tachycardia as a presenting symptom is nonspecific and could be due to a variety of disease processes. While cardiovascular causes are often suspected first in the etiology of tachycardia, endocrine related causes should also be considered. This case is about a patient who presented with tachycardia secondary to undiagnosed Type 2 Diabetes Mellitus.

Hypertension and Diabetes mellitus are two chronic diseases that have a tremendous healthcare impact associated to social determinants. Diabetes mellitus affects at least 34 million Americans in 2020, according to the National Diabetes Statistics Report of 2020 and the National Health and Nutrition Examination Survey of 2018.