Heartbeats on Backup: Junctional vs. Ventricular Escape Rhythms

Author: Rabani Bharara, MD Editor: Philippe Ayres, MD I: Case An 86-year-old female with a past medical history of diabetes mellitus, hypertension, and dyslipidemia presents to the ED for asymptomatic bradycardia identified in the geriatric clinic. The patient was transferred to the ED. She appeared well-nourished and in no acute Read more…

Diagnosis of a Supraventricular Tachydysrhythmia During Ketamine Infusion

Authors: Esteban Davila, MD and Ian S. deSouza, MD Background Ketamine has many known cardiovascular properties both on the myocardium and the autonomic nervous system through central sympathetic stimulation and inhibition of catecholamine reuptake. The ketamine-induced hyperadrenergic state causes transient elevations in heart rate and blood pressure.[1] We present a Read more…