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…

Stable, Wide-Complex Tachyarrhythmia: Should you even consider SVT with Aberrancy?

Co-authors: Paul Lavadera and Esteban Davila Peer Editor: Alec Feuerbach Faculty Editor: Mark Silverberg The Case A 65-year-old male with a history of hypertension, hyperlipidemia, diabetes, hypertrophic cardiomyopathy, recent stroke, and atrial fibrillation (AF) (+anticoagulation) presented to the ED for syncope. EMS noted a wide-complex tachycardia. EMS administered 150 mg Read more…

Metformin Toxicity

Author: Ryan Walsh, MD Editor: Nicole Anthony, MD THE CASE A 33-year-old woman with unspecified developmental delay is brought to the ED after her friend called EMS for a wellness check and for poor living conditions. There is no collateral information available and the friend (the patient’s only listed contact) Read more…