HFrEF|Rhythm Related

Etiology

  • Chronic inappropriate tachycardia can lead to dilated cardiomyopathy

Risk Factors

  • Atrial fibrillation/flutter w/poorly controlled ventricular response
  • Other sustained SVT w/poorly controlled ventricular response
  • High burden of PVCs or runs of VT
  • Inappropriate tachycardia from hyperthyroidism, other endocrinopathy

Symptoms

  • Palpitations
  • Sense of rapid heart rate
  • SOB, DOE, PND, orthopnea

Physical Exam Findings

  • Findings of CHF
  • Rapid heart rate