Case Presentation: Inappropriate sinus tachycardia (IST) was initially described as a non-paroxysmal increase in the resting sinus heart rate in otherwise healthy individuals (1). It is most often seen in young females and rarely in the elderly (2). Herein we report a case of an elderly female diagnosed with IST. 67-year-old female with past medical [...]

Case Presentation: Our patient is a 90-year-old Caucasian female with atrial fibrillation, peripheral vascular disease, and hypertension was admitted to the hospital due to shortness of breath for one day and myalgias for the past three days. Her chest x-ray done on presentation was consistent with multifocal pneumonia, and on further testing, she was subsequently [...]