REBEL Cast Salim R. Rezaie, MD

Take Home Points Methemoglobinemia can result from exposure to a number of different medications. The most common are dapsone and topical anesthetic agents (i.e. benzocaine) Consider the diagnosis in any patient with cyanosis and hypoxia that doesn’t respond to oxygen administration Administer methylene blue to any patient with abnormal vital signs, metabolic acidosis, end organ ... Read more

Take Home Points Perichondritis is an infection of the cartilage and connective tissue of the ear Perichondritis can be recognized clinically by erythema, swelling and tenderness of the auricle. The most common organism in perichondritis is P. aeruginosa and antibiotics should be tailored to cover this organism REBEL Core Cast 92.0 – Perichondritis Click here ... Read more

Background Information:  Double external defibrillation (DED) is an intervention often used to treat refractory ventricular fibrillation (RVF). This procedure involves applying another set of pads attached to a second defibrillator to a patient and shocking them in hopes of terminating the rhythm. At REBEL EM, we’ve done an extensive write up that details some of ... Read more

Take Home Points Lithium toxicity comes in a three flavors: acute, chronic and acute on chronic. Each form will have a different presentation as well as management. Lithium levels are often unreliable in terms of guiding management and must be taken in context with symptoms and time of ingestion (in acute overdose). IV fluids are ... Read more

Take Home Points SBO should be considered in all patients presenting with abdominal pain particularly if they have a prior abdominal surgical history Patients with SBO often have non-specific signs and symptoms. There is no history or physical exam feature that rules out the disease Lactate elevation is a late finding in SBO. A normal ... Read more

Take Home Points: Fluorescein is an essential tool in the diagnosis of HSV keratitis Identifying the type of HSV keratitis is crucial, as it will guide treatment Update tetanus vaccination Consult ophthalmology if there is concern for HSV keratitis as these patients require close and frequent follow-up REBEL Core Cast 95.0 – Herpetic Keratitis Click ... Read more