Emergency Medical Minute

Contributor: Nick Tsipis, MD Educational Pearls: Fluid choice may have an impact on outcomes in resuscitation, and a meta-analysis has relevant insight into their use in sepsis and trauma patients Large volume normal saline fluid resuscitation in sepsis is associated with acute kidney injury and metabolic acidosis compared to Lactated Ringers Choice of fluid did not have significant differences in...

Contributor: Nick Hatch, MD Educational Pearls: High flow nasal cannula (HFNC) or "heated high flow" can deliver higher oxygen levels than nasal cannula It typically is used as an "intermediate" between oxygen via nasal cannula and other non-invasive positive pressure devices, such as BiPAP Can modify both the FiO2 and flow rate Maximum flow rate is typically  60 liters per minute (compare that to...

Contributor: Aaron Lessen, MD Educational Pearls: Randomized controlled-trial evaluated intradermal injections of sterile water to manage low back pain versus an IV NSAID Four intradermal injections of 0.1 cc sterile water in a square around the area of musculoskeletal pain Reduction of pain was 7 points with the procedure and 2 points with the IV NSAID at 24 hours 12% in the injection group versu...

Contributor: Don Stader, MD Educational Pearls: Those on chronic opioid therapy may have high tolerance to opioids and/or opioid hyperalgesia Ketamine is a good adjunct for pain control in patients on chronic opioid therapy To avoid the time constraints often required to push ketamine intravenously, it can be given orally: Ketamine IV 25-50 mg (~0.01-0.03 mg/kg) as a single dose by mouth Reference...

Contributor: Aaron Lessen, MD Educational Pearls: Retrospective cohort study in the Kaiser system looked at over 4 million patients receiving antibiotics to determine the effect of penicillin allergy prompts in the EHR on antibiotic prescribing Half of the sites removed prompts stating penicillin allergy and half kept the prompts Patients with penicillin allergies who received cephalosporins went...

Dr. Glenda Quan, trauma surgeon from Swedish Medical Center joins our host Jordan Ourada to review a case of an incorrectly placed IO and how to avoid it. The Emergency Medical Minute is excited to announce that we are now offering AMA PRA Category 1 credits™ via online course modules. To access these and for more information, visit our website at https://emergencymedicalminute.org/cme-courses/ an...

Contributor: Aaron Lessen, MD Educational Pearls: Insulin pumps provide a continuous infusion of fast-acting insulin using a basal rate and bolus prior to meals Some connect to a continuous glucometer but often blood glucose needs to be checked manually Hypoglycemia is rarely due to a malfunctioning pump - there is usually an another external factor Hyperglycemia can be caused by underdosing, illn...

Contributor: Nick Tsipis, MD Educational Pearls: Prospective trial studied 5 mg IM droperidol to 10 mg IM olanzapine (Zyprexa) in the reducing levels of agitation Time to adequate sedation was about 16 minutes for both agents Droperidol was slightly less sedating than olanzapine and length of stay for olanzapine was longer Olanzapine had a higher rate of requiring another agent for adequate sedati...

Contributor: Jared Scott, MD Educational Pearls: Using LET, procedural sedation, and distraction techniques are often needed to successfully perform painful procedures in pediatrics patients The technique of clown therapy has been studied as an adjunct to LET and other distraction techniques for procedures in pediatric patients One randomized-controlled trial from 2016 found anxiety was greatly re...

Contributor: Peter Bakes, MD Educational Pearls: Paracentesis is a procedure where fluid is removed from the peritoneal cavity by needle Indications for paracentesis include: large volume paracentesis (5-6L), diagnosis of transudative or exudative ascites, evaluation for spontaneous bacterial peritonitis (SBP) Infection of ascitic fluid is more likely in transudative processes due to the increased...

Contributor: Aaron Lessen, MD Educational Pearls: Sigmoid volvulus occurs when the sigmoid colon twists 180 to 360 degrees 10% of intestinal obstructions in the US; 50-70% of intestinal obstructions worldwide More common in elderly patients with chronic constipation Eventually may lead to bowel perforation, a surgical emergency Treatment is sigmoidoscopy or sigmoid colectomy References Lieske B, A...

  Contributor: Ramnik Dhaliwal, MD JD Educational Pearls: Pepper spray is a highly irritating compound with active ingredient of capsaicin Techniques to help decontaminate and alleviate symptoms of an exposure include: Disrobing the patient to prevent further exposure Half milk of magnesia and half water mixture can be used to soothe the skin in the area of exposure Proparacaine followed by Morgan...

  Contributor: Neil Cella, MD Educational Pearls: Pylorus becomes hypertrophied and does not allow food or liquid to pass through to the duodenum tOccurs between the ages of 3 weeks to 3 months Classic presentation includes projectile nonbilious vomiting and palpable abdominal mass Ultrasound can visualize/diagnose pyloric stenosis and the treatment is surgical correction Be aware that electrolyte...

Contributor: Adam Barkin, MD Educational Pearls: Multi-center open-label non-inferiority trial looked at treatment of pneumothorax with a small-bore chest tube versus conservative management with exceptional follow up 316 patients ages 14-50 with moderate to large pneumothorax (>32% measured on CXR) were randomized into one of the two treatment arms 15% of the conservative group required further i...

Contributor: Randi Libbon, MD The Core features of trauma-informed care include: Patient empowerment, choice and collaboration. This means educating patients and allowing patients to make choices about their care when possible. Collaboration helps to level the power differential between patients and providers through shared decision making. Safety and sensitivity: Developing health care settings a...

Contributor: Neil Cella, MD  Educational Pearls:

Contributor: Aaron Lessen, MD Educational Pearls: Known risk factors for being awake and paralyzed in the OR include only receiving IV medications, long-acting paralytics, and no formal monitoring system for being awake The ED-AWARENESS study, a prospective single-center study found 2.6% of patients with induced paralysis during mechanical ventilation were aware Rocuronium was a risk factor for de...

Contributor: Aaron Lessen, MD Educational Pearls: Recent retrospective cohort study looked at elevated BP readings in the ED and correlation to underlying hypertension Large cohort of over 30,000 patients found that nearly 50% had an elevated blood pressure reading in the ED Less than 15% of patients with elevated BP readings in the ED were diagnosed with hypertension within 2 years Only 25% of pa...

Contributor: Aaron Lessen, MD Educational Pearls: Recent RCT compared pain relief in patients receiving five medications for acute musculoskeletal pain Acetaminophen 1000mg/ibuprofen 400 mg  Acetaminophen 1000mg/ibuprofen 800 mg Acetaminophen 300 mg/codeine 30 mg Acetaminophen 300mg/hydrocodone 5mg Acetaminophen 325mg/oxycodone 5mg No significant difference in pain relief at 1 and 2 hours between...

Contributor: Aaron Lessen, MD Educational Pearls: Traditionally, fingernails were replaced after avulsion using sutures Sometimes artificial material was placed when the fingernail was not available Recent study evaluated treatment of fingernail avulsions pediatric patients by replacing the nail versus cleaning and putting a non-adhesive dressing No difference in the aesthetics or patient satisfac...

Contributor: Aaron Lessen, MD Educational Pearls: Survey of EM physicians to self-report empathy and burnout levels and correlated with patient satisfaction scores Patient satisfaction was not affected by what the physicians thought about their level of empathy or burnout  Patient satisfaction was affected by the patient's perception of empathetic behavior by the physician References Byrd J, Knowl...

Contributor: Aaron Lessen, MD Educational Pearls: Kounis syndrome is an allergic acute coronary syndrome Triggers include medications (antibiotics), insect bites, or other common allergens Believed to be due to mast cell activation, inflammatory cytokines, and platelet activation causing coronary vasospasm or plaque rupture in setting of existing atherosclerosis Consider Kounis syndrome in the set...

Contributor: Peter Bakes, MD Educational Pearls: ST elevation clinical guidelines for myocardial infarction include: 2.5 mm elevation for males 40 in V2 and V3 1.5 mm elevation for females in V2 and V3 1 mm elevation in 2 or more contiguous leads (not V2 or V3) Differential diagnosis of ST elevation includes, but is not limited to: STEMI Electrolyte abnormalities Pericarditis/myocarditis Brugada s...

Educational Pearls: Albert Einstein had chronic abdominal pain as a middle-aged man Dr. Rudolph Nissen, founder of the Nissen fundoplication, performed exploratory surgery for this pain and found an abdominal aortic aneurysm (AAA) The only treatment for an AAA at that time was to wrap the vessel in cellophane, causing a fibrotic response to prevent rupture Einstein died 7 years after this surgery,...

Contributor: Nick Hatch, MD Educational Pearls: Complete heart block or 3rd degree atrioventricular (AV) block is diagnosed via EKG and occurs when electrical signals from the sinoatrial (SA) node are blocked from reaching the ventricles via the AV node and AV bundles P waves and QRS complexes are independent Often QRS rate is around 40 The rate is slow because the ventricular purkinje fibers have...